Types in Garbage Collection??

Hi
Can any one tell me, Is there any types in Garbage Collection??
regards
guna

Go & read this artical
http://developers.sun.com/mobility/midp/articles/garbage/

Similar Messages

  • Forcing �Mark Sweep� Garbage Collection?

    I have a fairly complex Java server-based application which is experiencing some memory management problems. As the application runs, it will continue to grow over time. If 5 or 6 instances of the application are running concurrently, eventually the server performance is significantly degraded and the application will crash due to a lack of system memory or system swap space.
    When monitoring the application with JConsole, I have noticed that a large number of �Scavenge� garbage collections normally occur. These do not consume much CPU time, but they also do not seem to free much memory. When I manually click the �Perform GC� button, however, that seems to trigger a �MarkSweep� type of garbage collection. This will normally reclaim a huge amount of memory (although it takes a relatively large amount of CPU to perform.)
    Is there a way to cause this �MarkSweep� to occur more frequently? I have read that explicitly calling system.gc() in my application is discouraged, and may not even cause any garbage collection to occur. (Although it appears that JConsole is somehow forcing it to occur.) I have also seen it suggested that I could tweak some of the JVM parameters for heap size and ratios, but this approach seems difficult and problematic for my application.
    I realize that explicitly forcing MarkSweep collections may cause noticeable pauses in my application. Although that behavior is not ideal, it is tolerable � especially if I can control when the pauses occur. Any suggestions or insight would be appreciated.
    Thanks,
    Mike H.

    Seeing the date of this question my answer will not be in use by the guy who asked but for some one else could be.
    I had similar problem - I wanted to release unused memory from the JVM to the OS.
    After some research i found that calling several consequent times System.gc() helps. I do the calls with some pause between them (1-2 seconds). This makes the app to be slower at this particular moment but releases hundreds of Megabytes in my case.
    I tested with this approach and found that it works only when Serial GC is running, but fortunately this is the GC in most of cases that JVM uses.

  • Itunes crashes Exception Type:  EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000  Application Specific Information: objc[268]: garbage collection is OFF *** error for object 0x7fc2b1a14e00: incorrect checksum for freed object -

    Ok, itunes keeps crashing. Have used disk utility to repair permissions, in regular mode, safe mode, and at start up. None of that worked. Was thinking maybe internet recovery may be my only option.
    Here is the crash report, not sure how much i should post, so i will give the whole thing
    Process:         iTunes [268]
    Path:            /Applications/iTunes.app/Contents/MacOS/iTunes
    Identifier:      com.apple.iTunes
    Version:         11.0.4 (11.0.4)
    Build Info:      iTunes-1104004001000000~1
    Code Type:       X86-64 (Native)
    Parent Process:  launchd [135]
    Date/Time:       2013-06-30 08:49:31.015 -0400
    OS Version:      Mac OS X 10.7.5 (11G63)
    Report Version:  9
    Interval Since Last Report:          1614339 sec
    Crashes Since Last Report:           8
    Per-App Interval Since Last Report:  91 sec
    Per-App Crashes Since Last Report:   5
    Anonymous UUID:                      216341DE-1868-4DAB-BF67-A14384C0CB4E
    Crashed Thread:  18
    Exception Type:  EXC_CRASH (SIGABRT)
    Exception Codes: 0x0000000000000000, 0x0000000000000000
    Application Specific Information:
    objc[268]: garbage collection is OFF
    *** error for object 0x7fc2b1a14e00: incorrect checksum for freed object - object was probably modified after being freed.
    Thread 0:: Dispatch queue: com.apple.main-thread
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.iTunes                        0x000000010af63053 0x10ade3000 + 1572947
    3   com.apple.iTunes                        0x000000010ae35ff5 0x10ade3000 + 339957
    4   com.apple.iTunes                        0x000000010af62fde 0x10ade3000 + 1572830
    5   com.apple.iTunes                        0x000000010af62ed6 0x10ade3000 + 1572566
    6   com.apple.iTunes                        0x000000010af62e78 0x10ade3000 + 1572472
    7   com.apple.iTunes                        0x000000010ae35cea 0x10ade3000 + 339178
    8   com.apple.iTunes                        0x000000010ae35ba4 0x10ade3000 + 338852
    9   com.apple.iTunes                        0x000000010ae35b01 0x10ade3000 + 338689
    10  com.apple.CoreFoundation                0x00007fff910dc4f1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    11  com.apple.CoreFoundation                0x00007fff910dbd5d __CFRunLoopDoSources0 + 253
    12  com.apple.CoreFoundation                0x00007fff91102b49 __CFRunLoopRun + 905
    13  com.apple.CoreFoundation                0x00007fff91102486 CFRunLoopRunSpecific + 230
    14  com.apple.HIToolbox                     0x00007fff9a1342bf RunCurrentEventLoopInMode + 277
    15  com.apple.HIToolbox                     0x00007fff9a13b56d ReceiveNextEventCommon + 355
    16  com.apple.HIToolbox                     0x00007fff9a13b3fa BlockUntilNextEventMatchingListInMode + 62
    17  com.apple.AppKit                        0x00007fff95088779 _DPSNextEvent + 659
    18  com.apple.AppKit                        0x00007fff9508807d -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 135
    19  com.apple.AppKit                        0x00007fff9533c735 -[NSApplication _realDoModalLoop:peek:] + 610
    20  com.apple.AppKit                        0x00007fff9533c369 -[NSApplication runModalForWindow:] + 120
    21  com.apple.AppKit                        0x00007fff9532f9cd -[NSAlert runModal] + 159
    22  com.apple.AppKit                        0x00007fff950b759b __-[NSPersistentUIManager promptToIgnorePersistentState]_block_invoke_1 + 815
    23  com.apple.AppKit                        0x00007fff95335782 -[NSApplication _suppressFinishLaunchingFromEventHandlersWhilePerformingBlock:] + 31
    24  com.apple.AppKit                        0x00007fff950b7234 -[NSPersistentUIManager promptToIgnorePersistentState] + 178
    25  com.apple.AppKit                        0x00007fff9508b9ec -[NSApplication _reopenWindowsAsNecessaryIncludingRestorableState:registeringAsReady:completion Handler:] + 180
    26  com.apple.AppKit                        0x00007fff9508cca9 -[NSApplication _sendFinishLaunchingNotification] + 358
    27  com.apple.AppKit                        0x00007fff95088ac3 _DPSNextEvent + 1501
    28  com.apple.AppKit                        0x00007fff9508807d -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 135
    29  com.apple.AppKit                        0x00007fff950849b9 -[NSApplication run] + 470
    30  com.apple.iTunes                        0x000000010afaceab 0x10ade3000 + 1875627
    31  com.apple.iTunes                        0x000000010afacd40 0x10ade3000 + 1875264
    Thread 1:: Dispatch queue: com.apple.libdispatch-manager
    0   libsystem_kernel.dylib                  0x00007fff98b947e6 kevent + 10
    1   libdispatch.dylib                       0x00007fff97714786 _dispatch_mgr_invoke + 923
    2   libdispatch.dylib                       0x00007fff97713316 _dispatch_mgr_thread + 54
    Thread 2:
    0   libsystem_kernel.dylib                  0x00007fff98b94192 __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x00007fff97016594 _pthread_wqthread + 758
    2   libsystem_c.dylib                       0x00007fff97017b85 start_wqthread + 13
    Thread 3:
    0   libsystem_kernel.dylib                  0x00007fff98b94192 __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x00007fff97016594 _pthread_wqthread + 758
    2   libsystem_c.dylib                       0x00007fff97017b85 start_wqthread + 13
    Thread 4:
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.CoreFoundation                0x00007fff910fa50c __CFRunLoopServiceMachPort + 188
    3   com.apple.CoreFoundation                0x00007fff91102c74 __CFRunLoopRun + 1204
    4   com.apple.CoreFoundation                0x00007fff91102486 CFRunLoopRunSpecific + 230
    5   com.apple.CoreFoundation                0x00007fff9111219f CFRunLoopRun + 95
    6   com.apple.iTunes                        0x000000010af66d66 0x10ade3000 + 1588582
    7   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    8   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    9   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 5:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff97018274 _pthread_cond_wait + 840
    2   com.apple.iTunes                        0x000000010adfe0d4 0x10ade3000 + 110804
    3   com.apple.iTunes                        0x000000010adfdb99 0x10ade3000 + 109465
    4   com.apple.iTunes                        0x000000010adfd550 0x10ade3000 + 107856
    5   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    6   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    7   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 6:
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.CoreFoundation                0x00007fff910fa50c __CFRunLoopServiceMachPort + 188
    3   com.apple.CoreFoundation                0x00007fff91102c74 __CFRunLoopRun + 1204
    4   com.apple.CoreFoundation                0x00007fff91102486 CFRunLoopRunSpecific + 230
    5   com.apple.CoreFoundation                0x00007fff9111219f CFRunLoopRun + 95
    6   com.apple.iTunes                        0x000000010ae229bb 0x10ade3000 + 260539
    7   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    8   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    9   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 7:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff970182a6 _pthread_cond_wait + 890
    2   com.apple.iTunes                        0x000000010ae33bef 0x10ade3000 + 330735
    3   com.apple.iTunes                        0x000000010ae33ab4 0x10ade3000 + 330420
    4   com.apple.iTunes                        0x000000010ae33a51 0x10ade3000 + 330321
    5   com.apple.iTunes                        0x000000010ae338d9 0x10ade3000 + 329945
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 8:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff970182a6 _pthread_cond_wait + 890
    2   com.apple.iTunes                        0x000000010ae33bef 0x10ade3000 + 330735
    3   com.apple.iTunes                        0x000000010ae33ab4 0x10ade3000 + 330420
    4   com.apple.iTunes                        0x000000010ae33a51 0x10ade3000 + 330321
    5   com.apple.iTunes                        0x000000010ae338d9 0x10ade3000 + 329945
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 9:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff970182a6 _pthread_cond_wait + 890
    2   com.apple.iTunes                        0x000000010ae33bef 0x10ade3000 + 330735
    3   com.apple.iTunes                        0x000000010ae33ab4 0x10ade3000 + 330420
    4   com.apple.iTunes                        0x000000010ae33a51 0x10ade3000 + 330321
    5   com.apple.iTunes                        0x000000010ae338d9 0x10ade3000 + 329945
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 10:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff970182a6 _pthread_cond_wait + 890
    2   com.apple.iTunes                        0x000000010ae33bef 0x10ade3000 + 330735
    3   com.apple.iTunes                        0x000000010ae33ab4 0x10ade3000 + 330420
    4   com.apple.iTunes                        0x000000010ae33a51 0x10ade3000 + 330321
    5   com.apple.iTunes                        0x000000010ae338d9 0x10ade3000 + 329945
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 11:: CVDisplayLink
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff97018274 _pthread_cond_wait + 840
    2   com.apple.CoreVideo                     0x00007fff91a8f6c8 CVDisplayLink::runIOThread() + 710
    3   com.apple.CoreVideo                     0x00007fff91a8f3e9 _ZL13startIOThreadPv + 148
    4   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    5   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 12:
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.iTunes                        0x000000010af63053 0x10ade3000 + 1572947
    3   com.apple.iTunes                        0x000000010ae35ff5 0x10ade3000 + 339957
    4   com.apple.iTunes                        0x000000010af63aa3 0x10ade3000 + 1575587
    5   com.apple.iTunes                        0x000000010af68e8a 0x10ade3000 + 1597066
    6   com.apple.iTunes                        0x000000010b39cbe6 0x10ade3000 + 6003686
    7   com.apple.iTunes                        0x000000010af54c91 0x10ade3000 + 1514641
    8   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    9   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 13:
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.iTunes                        0x000000010af63053 0x10ade3000 + 1572947
    3   com.apple.iTunes                        0x000000010ae35ff5 0x10ade3000 + 339957
    4   com.apple.iTunes                        0x000000010af63aa3 0x10ade3000 + 1575587
    5   com.apple.iTunes                        0x000000010af654bf 0x10ade3000 + 1582271
    6   com.apple.iTunes                        0x000000010b75c461 0x10ade3000 + 9933921
    7   com.apple.iTunes                        0x000000010af64605 0x10ade3000 + 1578501
    8   com.apple.iTunes                        0x000000010af6437c 0x10ade3000 + 1577852
    9   com.apple.iTunes                        0x000000010af64323 0x10ade3000 + 1577763
    10  com.apple.iTunes                        0x000000010af633cf 0x10ade3000 + 1573839
    11  com.apple.iTunes                        0x000000010af6308f 0x10ade3000 + 1573007
    12  com.apple.iTunes                        0x000000010af54c91 0x10ade3000 + 1514641
    13  libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    14  libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 14:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff97018274 _pthread_cond_wait + 840
    2   com.apple.iTunes                        0x000000010adfe0d4 0x10ade3000 + 110804
    3   com.apple.iTunes                        0x000000010ae228e3 0x10ade3000 + 260323
    4   com.apple.iTunes                        0x000000010af56713 0x10ade3000 + 1521427
    5   com.apple.iTunes                        0x000000010af56659 0x10ade3000 + 1521241
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 15:
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.iTunes                        0x000000010af54c5b 0x10ade3000 + 1514587
    3   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    4   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 16:: com.apple.CFSocket.private
    0   libsystem_kernel.dylib                  0x00007fff98b93df2 __select + 10
    1   com.apple.CoreFoundation                0x00007fff9114bc8b __CFSocketManager + 1355
    2   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    3   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 17:
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.CoreFoundation                0x00007fff910fa50c __CFRunLoopServiceMachPort + 188
    3   com.apple.CoreFoundation                0x00007fff91102c74 __CFRunLoopRun + 1204
    4   com.apple.CoreFoundation                0x00007fff91102486 CFRunLoopRunSpecific + 230
    5   com.apple.CoreFoundation                0x00007fff9111219f CFRunLoopRun + 95
    6   com.apple.iTunes                        0x000000010af66d66 0x10ade3000 + 1588582
    7   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    8   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    9   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 18 Crashed:
    0   libsystem_kernel.dylib                  0x00007fff98b93ce2 __pthread_kill + 10
    1   libsystem_c.dylib                       0x00007fff970167d2 pthread_kill + 95
    2   libsystem_c.dylib                       0x00007fff97007a7a abort + 143
    3   libsystem_c.dylib                       0x00007fff970294ac szone_error + 459
    4   libsystem_c.dylib                       0x00007fff970294e8 free_list_checksum_botch + 29
    5   libsystem_c.dylib                       0x00007fff97029ae0 small_free_list_remove_ptr + 264
    6   libsystem_c.dylib                       0x00007fff9702dc53 szone_free_definite_size + 3495
    7   libsystem_c.dylib                       0x00007fff97066789 free + 194
    8   com.apple.iTunes                        0x000000010b72a505 0x10ade3000 + 9729285
    9   com.apple.iTunes                        0x000000010ae0e808 0x10ade3000 + 178184
    10  com.apple.iTunes                        0x000000010ae06bab 0x10ade3000 + 146347
    11  com.apple.iTunes                        0x000000010afe7150 0x10ade3000 + 2113872
    12  com.apple.iTunes                        0x000000010afe706d 0x10ade3000 + 2113645
    13  com.apple.iTunes                        0x000000010afc42fc 0x10ade3000 + 1970940
    14  com.apple.iTunes                        0x000000010af54c91 0x10ade3000 + 1514641
    15  libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    16  libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 19:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff970182a6 _pthread_cond_wait + 890
    2   com.apple.iTunes                        0x000000010ae33bef 0x10ade3000 + 330735
    3   com.apple.iTunes                        0x000000010ae33ab4 0x10ade3000 + 330420
    4   com.apple.iTunes                        0x000000010ae33a51 0x10ade3000 + 330321
    5   com.apple.iTunes                        0x000000010ae338d9 0x10ade3000 + 329945
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 20:
    0   libsystem_kernel.dylib                  0x00007fff98b9267a mach_msg_trap + 10
    1   libsystem_kernel.dylib                  0x00007fff98b91d71 mach_msg + 73
    2   com.apple.CoreFoundation                0x00007fff910fa50c __CFRunLoopServiceMachPort + 188
    3   com.apple.CoreFoundation                0x00007fff91102c74 __CFRunLoopRun + 1204
    4   com.apple.CoreFoundation                0x00007fff91102486 CFRunLoopRunSpecific + 230
    5   com.apple.CoreFoundation                0x00007fff9111219f CFRunLoopRun + 95
    6   com.apple.iTunes                        0x000000010af66d66 0x10ade3000 + 1588582
    7   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    8   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    9   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 21:
    0   libsystem_kernel.dylib                  0x00007fff98b94192 __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x00007fff97016594 _pthread_wqthread + 758
    2   libsystem_c.dylib                       0x00007fff97017b85 start_wqthread + 13
    Thread 22:
    0   libsystem_kernel.dylib                  0x00007fff98b94192 __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x00007fff97016594 _pthread_wqthread + 758
    2   libsystem_c.dylib                       0x00007fff97017b85 start_wqthread + 13
    Thread 23:: com.apple.appkit-heartbeat
    0   libsystem_kernel.dylib                  0x00007fff98b93e42 __semwait_signal + 10
    1   libsystem_c.dylib                       0x00007fff96fcadea nanosleep + 164
    2   libsystem_c.dylib                       0x00007fff96fcabb5 usleep + 53
    3   com.apple.AppKit                        0x00007fff952bd11b -[NSUIHeartBeat _heartBeatThread:] + 1727
    4   com.apple.Foundation                    0x00007fff9132c72a -[NSThread main] + 68
    5   com.apple.Foundation                    0x00007fff9132c6a2 __NSThread__main__ + 1575
    6   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    7   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 24:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff97018274 _pthread_cond_wait + 840
    2   com.apple.iTunes                        0x000000010ae33bce 0x10ade3000 + 330702
    3   com.apple.iTunes                        0x000000010ae33ab4 0x10ade3000 + 330420
    4   com.apple.iTunes                        0x000000010afd0e3c 0x10ade3000 + 2022972
    5   com.apple.iTunes                        0x000000010afd0d11 0x10ade3000 + 2022673
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 25:
    0   libsystem_kernel.dylib                  0x00007fff98b93bca __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x00007fff97018274 _pthread_cond_wait + 840
    2   com.apple.iTunes                        0x000000010ae33bce 0x10ade3000 + 330702
    3   com.apple.iTunes                        0x000000010ae33ab4 0x10ade3000 + 330420
    4   com.apple.iTunes                        0x000000010ae33a51 0x10ade3000 + 330321
    5   com.apple.iTunes                        0x000000010ae338d9 0x10ade3000 + 329945
    6   com.apple.iTunes                        0x000000010ade92df 0x10ade3000 + 25311
    7   libsystem_c.dylib                       0x00007fff970148bf _pthread_start + 335
    8   libsystem_c.dylib                       0x00007fff97017b75 thread_start + 13
    Thread 18 crashed with X86 Thread State (64-bit):
      rax: 0x0000000000000000  rbx: 0x0000000000000006  rcx: 0x000000011f884be8  rdx: 0x0000000000000000
      rdi: 0x0000000000012203  rsi: 0x0000000000000006  rbp: 0x000000011f884c10  rsp: 0x000000011f884be8
       r8: 0x00007fff7ebcafb8   r9: 0x0000000000000000  r10: 0x00007fff98b93d0a  r11: 0xffffff80002dad60
      r12: 0x000000010c57e000  r13: 0x0000000118d5e000  r14: 0x000000011f887000  r15: 0x0000000118d5e0c0
      rip: 0x00007fff98b93ce2  rfl: 0x0000000000000246  cr2: 0x0000000119120000
    Logical CPU: 0
    Binary Images:
           0x10ade3000 -        0x10c203fef  com.apple.iTunes (11.0.4 - 11.0.4) <67E80C94-C386-345C-8C79-13436004A025> /Applications/iTunes.app/Contents/MacOS/iTunes
           0x10c580000 -        0x10c600ff7  com.apple.iTunes.iPodUpdater (10.7 - 10.7) <0EE5C372-0F11-31C3-BE3E-F5B300596964> /Applications/iTunes.app/Contents/Frameworks/iPodUpdater.framework/Versions/A/i PodUpdater
           0x10c640000 -        0x10c66cff7  com.apple.avfoundationcf (2.0 - 63.21) <A3140BD7-BB0C-3BD7-8F63-2ECB98041B6E> /System/Library/PrivateFrameworks/AVFoundationCF.framework/Versions/A/AVFoundat ionCF
           0x10c69b000 -        0x10c6a1fff  com.apple.agl (3.2.0 - AGL-3.2.0) <C98394A8-305D-3904-BEAE-8340FF988F15> /System/Library/Frameworks/AGL.framework/Versions/A/AGL
           0x10c6ac000 -        0x10c6b2fff  com.apple.iPod (1.7 - 19) <8F1B8246-F053-3CD1-9040-29440BDB19D7> /System/Library/PrivateFrameworks/iPod.framework/Versions/A/iPod
           0x10c6ba000 -        0x10c9e6ff7 +libgnsdk_dsp.1.9.5.dylib (1.9.5 - compatibility 1.9.5) <14636B08-4D26-54CA-3EE8-247B2B708AF0> /Applications/iTunes.app/Contents/MacOS/libgnsdk_dsp.1.9.5.dylib
           0x10ca0c000 -        0x10ca43ff7 +libgnsdk_musicid.1.9.5.dylib (1.9.5 - compatibility 1.9.5) <C034C2ED-6A46-315F-89C8-8D54A937B255> /Applications/iTunes.app/Contents/MacOS/libgnsdk_musicid.1.9.5.dylib
           0x10ca55000 -        0x10cb2bfe7 +libgnsdk_sdkmanager.1.9.5.dylib (1.9.5 - compatibility 1.9.5) <D144E870-FABC-E19E-452E-A33D19595B19> /Applications/iTunes.app/Contents/MacOS/libgnsdk_sdkmanager.1.9.5.dylib
           0x10cb4f000 -        0x10cb92ff7 +libgnsdk_submit.1.9.5.dylib (1.9.5 - compatibility 1.9.5) <6689251D-098B-0F8D-08CC-785271E98540> /Applications/iTunes.app/Contents/MacOS/libgnsdk_submit.1.9.5.dylib
           0x10d014000 -        0x10d016fff  com.apple.textencoding.unicode (2.4 - 2.4) <FD4695F4-6110-36C6-AC06-86453E30FF6E> /System/Library/TextEncodings/Unicode Encodings.bundle/Contents/MacOS/Unicode Encodings
           0x10d01b000 -        0x10d01ffff  com.apple.audio.AudioIPCPlugIn (1.2.3 - 1.2.3) <F94D690D-3196-3B01-B798-09708367D28D> /System/Library/Extensions/AudioIPCDriver.kext/Contents/Resources/AudioIPCPlugI n.bundle/Contents/MacOS/AudioIPCPlugIn
           0x10d024000 -        0x10d029fff  com.apple.audio.AppleHDAHALPlugIn (2.2.5 - 2.2.5a5) <4EC4981B-68AE-357E-960F-3D4603A61E9F> /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bun dle/Contents/MacOS/AppleHDAHALPlugIn
           0x10e039000 -        0x10ed94fff  com.apple.CoreFP (2.4.16 - 2.4.16) <BC24CECB-5B51-3BC7-A6AC-9D301D09F3C1> /System/Library/PrivateFrameworks/CoreFP.framework/CoreFP
           0x1109e7000 -        0x110b32ff7  com.apple.audio.units.Components (1.7.3 - 1.7.3) <CAC75CC0-DAD7-3DD3-91CF-DDE8B19DEBDD> /System/Library/Components/CoreAudio.component/Contents/MacOS/CoreAudio
           0x110ba6000 -        0x110c43fff  com.apple.mobiledevice (555.43 - 555.43) <4460453F-C565-36B8-B1B8-6626AF98CBB5> /System/Library/PrivateFrameworks/MobileDevice.framework/MobileDevice
           0x110c8c000 -        0x110e6dff7  com.apple.audio.codecs.Components (2.3 - 2.3) <9FF1C1F7-F049-3CE0-AE2A-E3D220A7031B> /System/Library/Components/AudioCodecs.component/Contents/MacOS/AudioCodecs
           0x119867000 -        0x11986aff7  libCoreFSCache.dylib (??? - ???) <0D155750-7910-32C5-8327-924FC1089442> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreFSCache .dylib
           0x11d8e1000 -        0x11d8ebfef  libcldcpuengine.dylib (2.0.19 - compatibility 1.0.0) <4572AD1E-D1D1-3412-AFCC-D37037B1FAB5> /System/Library/Frameworks/OpenCL.framework/Versions/A/Libraries/libcldcpuengin e.dylib
           0x11e626000 -        0x11e7defff  GLEngine (??? - ???) <59179FEC-D0E2-38B3-BD49-765506A645AC> /System/Library/Frameworks/OpenGL.framework/Resources/GLEngine.bundle/GLEngine
           0x11e815000 -        0x11e96ffff  libGLProgrammability.dylib (??? - ???) <90390984-70BC-365C-AB3E-16C35C4240CB> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgramma bility.dylib
           0x11e9a1000 -        0x11ed88fe7  com.apple.driver.AppleIntelHD3000GraphicsGLDriver (7.32.12 - 7.3.2) <5C9C9474-BA99-33A6-BAD8-628224491FED> /System/Library/Extensions/AppleIntelHD3000GraphicsGLDriver.bundle/Contents/Mac OS/AppleIntelHD3000GraphicsGLDriver
           0x11eeae000 -        0x11eebcfff  libGPUSupport.dylib (??? - ???) <9FF8DDA2-7CB1-3888-8AAE-227C7691CB98> /System/Library/PrivateFrameworks/GPUSupport.framework/Versions/A/Libraries/lib GPUSupport.dylib
           0x11eec3000 -        0x11eef1ff7  GLRendererFloat (??? - ???) <06CA5D0B-BC5F-3CC7-836D-A02F7DB92BE8> /System/Library/Frameworks/OpenGL.framework/Resources/GLRendererFloat.bundle/GL RendererFloat
        0x7fff6a9e3000 -     0x7fff6aa17baf  dyld (195.6 - ???) <C58DAD8A-4B00-3676-8637-93D6FDE73147> /usr/lib/dyld
        0x7fff8d86d000 -     0x7fff8d872fff  libcache.dylib (47.0.0 - compatibility 1.0.0) <1571C3AB-BCB2-38CD-B3B2-C5FC3F927C6A> /usr/lib/system/libcache.dylib
        0x7fff8d873000 -     0x7fff8d874fff  libunc.dylib (24.0.0 - compatibility 1.0.0) <337960EE-0A85-3DD0-A760-7134CF4C0AFF> /usr/lib/system/libunc.dylib
        0x7fff8d8ae000 -     0x7fff8e5e5fff  com.apple.WebCore (7534.57 - 7534.57.7) <33FCF30A-08C5-3169-B3B0-3A9462FA1A0D> /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.frame work/Versions/A/WebCore
        0x7fff8e5e6000 -     0x7fff8e64eff7  com.apple.audio.CoreAudio (4.0.3 - 4.0.3) <9987DC46-2A96-3BA0-B88B-04E573C0AD9B> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
        0x7fff8e64f000 -     0x7fff8e6abff7  com.apple.HIServices (1.21 - ???) <B012EE97-D1CD-3F4B-812D-9AC7E6852FE6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ HIServices.framework/Versions/A/HIServices
        0x7fff8ea07000 -     0x7fff8ea0dff7  libunwind.dylib (30.0.0 - compatibility 1.0.0) <1E9C6C8C-CBE8-3F4B-A5B5-E03E3AB53231> /usr/lib/system/libunwind.dylib
        0x7fff8ea0e000 -     0x7fff8f1b6fff  com.apple.CoreAUC (6.16.12 - 6.16.12) <EF535959-14FE-3B61-9C32-DF4C54B8F12D> /System/Library/PrivateFrameworks/CoreAUC.framework/Versions/A/CoreAUC
        0x7fff8f352000 -     0x7fff8f5c6fff  com.apple.CoreImage (7.99.1 - 1.0.1) <4BB09B79-275B-364C-9466-0FF36ABB1218> /System/Library/Frameworks/QuartzCore.framework/Versions/A/Frameworks/CoreImage .framework/Versions/A/CoreImage
        0x7fff8f5d3000 -     0x7fff8f5e0fff  com.apple.CrashReporterSupport (10.7.4 - 353) <6044CFB6-939E-3C73-BFBB-A8BBC096F135> /System/Library/PrivateFrameworks/CrashReporterSupport.framework/Versions/A/Cra shReporterSupport
        0x7fff8f760000 -     0x7fff8f768fff  libsystem_dnssd.dylib (??? - ???) <584B321E-5159-37CD-B2E7-82E069C70AFB> /usr/lib/system/libsystem_dnssd.dylib
        0x7fff8f769000 -     0x7fff8fa85fff  com.apple.CoreServices.CarbonCore (960.25 - 960.25) <4FC1AB30-022C-3C67-AC46-FDCBFCB7EEDE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonC ore.framework/Versions/A/CarbonCore
        0x7fff8fa86000 -     0x7fff8fa87fff  liblangid.dylib (??? - ???) <CACBE3C3-2F7B-3EED-B50E-EDB73F473B77> /usr/lib/liblangid.dylib
        0x7fff8fa88000 -     0x7fff8fa9ffff  com.apple.CFOpenDirectory (10.7 - 146) <BBB7C97E-7B46-3286-9128-32B5D16B5CBE> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpen Directory.framework/Versions/A/CFOpenDirectory
        0x7fff8faa0000 -     0x7fff8fba1fff  com.apple.QuickLookUIFramework (3.2 - 500.18) <56A13D40-9A61-3B98-85ED-B1C7075A88FB> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/QuickLookUI.f ramework/Versions/A/QuickLookUI
        0x7fff8fbff000 -     0x7fff8fc32ff7  com.apple.GSS (2.2 - 2.0) <971395D0-B9D0-3FDE-B23F-6F9D0A2FB95F> /System/Library/Frameworks/GSS.framework/Versions/A/GSS
        0x7fff8fc33000 -     0x7fff90060fff  libLAPACK.dylib (??? - ???) <4F2E1055-2207-340B-BB45-E4F16171EE0D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libLAPACK.dylib
        0x7fff90061000 -     0x7fff90066fff  libpam.2.dylib (3.0.0 - compatibility 3.0.0) <D952F17B-200A-3A23-B9B2-7C1F7AC19189> /usr/lib/libpam.2.dylib
        0x7fff90067000 -     0x7fff90074ff7  libbz2.1.0.dylib (1.0.5 - compatibility 1.0.0) <DFAB8CA8-CC9D-3F58-8C12-CE120442AACD> /usr/lib/libbz2.1.0.dylib
        0x7fff90075000 -     0x7fff90077fff  com.apple.TrustEvaluationAgent (2.0 - 1) <1F31CAFF-C1C6-33D3-94E9-11B721761DDF> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/Tru stEvaluationAgent
        0x7fff90078000 -     0x7fff900a0fff  com.apple.PerformanceAnalysis (1.11 - 11) <8D4C6382-DD92-37A2-BCFC-E89951320848> /System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/Perf ormanceAnalysis
        0x7fff909a2000 -     0x7fff909b1ff7  libxar-nossl.dylib (??? - ???) <A6ABBFB9-E4ED-38AD-BBBB-F9958B9CEFB5> /usr/lib/libxar-nossl.dylib
        0x7fff909b2000 -     0x7fff90bb4fff  libicucore.A.dylib (46.1.0 - compatibility 1.0.0) <0176782F-9526-3905-813A-7A5676EC2C86> /usr/lib/libicucore.A.dylib
        0x7fff90bb5000 -     0x7fff90c09fff  libFontRegistry.dylib (??? - ???) <60FF9C2C-5E44-3C49-8A08-F26101898F21> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ATS.framework/Versions/A/Resources/libFontRegistry.dylib
        0x7fff90e45000 -     0x7fff90e5cfff  com.apple.MultitouchSupport.framework (231.4 - 231.4) <559C1AFB-E0B4-3D23-9189-18DE09C06FFE> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/Multit ouchSupport
        0x7fff90e62000 -     0x7fff90ebdff7  com.apple.opencl (2.0.19 - 2.0.19) <B05BF605-73B8-328F-A228-6FA59E1FC73A> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
        0x7fff90edd000 -     0x7fff90fdffff  libxml2.2.dylib (10.3.0 - compatibility 10.0.0) <AFBB22B7-07AE-3F2E-B88C-70BEEBFB8A86> /usr/lib/libxml2.2.dylib
        0x7fff910ca000 -     0x7fff9129eff7  com.apple.CoreFoundation (6.7.2 - 635.21) <62A3402E-A4E7-391F-AD20-1EF20236CE1B> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
        0x7fff9129f000 -     0x7fff9129ffff  com.apple.ApplicationServices (41 - 41) <89B6AD5B-5C75-3E83-8C2B-AA7F4C55E400> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Application Services
        0x7fff912a0000 -     0x7fff912a9ff7  libsystem_notify.dylib (80.1.0 - compatibility 1.0.0) <A4D651E3-D1C6-3934-AD49-7A104FD14596> /usr/lib/system/libsystem_notify.dylib
        0x7fff912b0000 -     0x7fff912d1fff  libPng.dylib (??? - ???) <E2B52527-4D0C-3595-BB13-8E8EF364E998> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libPng.dylib
        0x7fff912d2000 -     0x7fff915ebfff  com.apple.Foundation (6.7.2 - 833.25) <22AAC369-B63C-3C55-8AC6-C3ECBA44DA7B> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
        0x7fff915ec000 -     0x7fff915ecfff  com.apple.CoreServices (53 - 53) <043C8026-8EDD-3241-B090-F589E24062EF> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
        0x7fff9166a000 -     0x7fff91687ff7  com.apple.openscripting (1.3.3 - ???) <F5E34F54-CE85-334B-8F25-53581D43960C> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting .framework/Versions/A/OpenScripting
        0x7fff91688000 -     0x7fff916c6fff  com.apple.bom (11.0 - 183) <F300B9EC-995E-33A7-9175-9F07D4B68F16> /System/Library/PrivateFrameworks/Bom.framework/Versions/A/Bom
        0x7fff916cb000 -     0x7fff91a75fe7  com.apple.MediaToolbox (1.0 - 705.94) <0719E69C-3275-3BD9-AD04-27DBADEB6E03> /System/Library/PrivateFrameworks/MediaToolbox.framework/Versions/A/MediaToolbo x
        0x7fff91a76000 -     0x7fff91a8cfff  libGL.dylib (??? - ???) <A4876AE9-DDFE-3B9A-874E-09BC29D46C39> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
        0x7fff91a8d000 -     0x7fff91ab6fff  com.apple.CoreVideo (1.7 - 70.3) <9A9D4058-9935-3B0A-B1A6-27EB78D02249> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
        0x7fff91abf000 -     0x7fff91ac0ff7  libremovefile.dylib (21.1.0 - compatibility 1.0.0) <739E6C83-AA52-3C6C-A680-B37FE2888A04> /usr/lib/system/libremovefile.dylib
        0x7fff91ac1000 -     0x7fff91cebfe7  com.apple.CoreData (104.1 - 358.14) <6BB64605-8DA7-337D-A2AB-A3346A421CBD> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
        0x7fff91d66000 -     0x7fff91ef1fff  com.apple.QTKit (7.7.1 - 2343) <2A7B0660-7E8F-378D-9D60-B9664410336E> /System/Library/Frameworks/QTKit.framework/Versions/A/QTKit
        0x7fff91ef2000 -     0x7fff92214fff  com.apple.JavaScriptCore (7534.57 - 7534.57.3) <3A04B8FC-CFA6-3AEB-8FDF-B0525B5A4C82> /System/Library/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore
        0x7fff9226d000 -     0x7fff92323fff  com.apple.PDFKit (2.7.7 - 2.7.7) <96C0C88B-F049-39F1-92A5-180F1C2EE6EB> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/PDFKit.framew ork/Versions/A/PDFKit
        0x7fff9235f000 -     0x7fff92373ff7  com.apple.LangAnalysis (1.7.0 - 1.7.0) <04C31EF0-912A-3004-A08F-CEC27030E0B2> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ LangAnalysis.framework/Versions/A/LangAnalysis
        0x7fff92394000 -     0x7fff92397fff  libRadiance.dylib (??? - ???) <CD89D70D-F177-3BAE-8A26-644EA7D5E28E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libRadiance.dylib
        0x7fff92398000 -     0x7fff923d8fe7  libGLImage.dylib (??? - ???) <0B7DAB2B-F1C6-39C7-B864-61EF683B6656> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dyl ib
        0x7fff923d9000 -     0x7fff923dafff  libScreenReader.dylib (??? - ???) <7CC8F990-29A2-3F41-B2C1-A128F2498D8C> /usr/lib/libScreenReader.dylib
        0x7fff9241c000 -     0x7fff92492fff  com.apple.CoreSymbolication (2.2 - 73.2) <126415E3-3A35-315B-B4B7-507CDBED0D58> /System/Library/PrivateFrameworks/CoreSymbolication.framework/Versions/A/CoreSy mbolication
        0x7fff924d1000 -     0x7fff924fcfff  libpcre.0.dylib (1.1.0 - compatibility 1.0.0) <7D3CDB0A-840F-3856-8F84-B4A50E66431B> /usr/lib/libpcre.0.dylib
        0x7fff9254f000 -     0x7fff925bffff  com.apple.datadetectorscore (3.0 - 179.4) <4AB32B7F-8EC2-327E-BAC8-80129AA36E7B> /System/Library/PrivateFrameworks/DataDetectorsCore.framework/Versions/A/DataDe tectorsCore
        0x7fff925c0000 -     0x7fff925c1fff  libDiagnosticMessagesClient.dylib (??? - ???) <3DCF577B-F126-302B-BCE2-4DB9A95B8598> /usr/lib/libDiagnosticMessagesClient.dylib
        0x7fff925c2000 -     0x7fff925c5fff  com.apple.AppleSystemInfo (1.0 - 1) <111B6F69-3FBD-3860-BCF8-1DF02D9BED28> /System/Library/PrivateFrameworks/AppleSystemInfo.framework/Versions/A/AppleSys temInfo
        0x7fff925c6000 -     0x7fff926cdfe7  libsqlite3.dylib (9.6.0 - compatibility 9.0.0) <EE02BB01-64C9-304D-9719-A35F5CD6D04C> /usr/lib/libsqlite3.dylib
        0x7fff926ce000 -     0x7fff926cefff  com.apple.Cocoa (6.6 - ???) <7EC4D759-B2A6-3A99-AC75-809FED1500C6> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa
        0x7fff9270e000 -     0x7fff9270fff7  libsystem_sandbox.dylib (??? - ???) <5459F293-E1F2-33B3-B9B2-2ABB7B915B62> /usr/lib/system/libsystem_sandbox.dylib
        0x7fff92710000 -     0x7fff92783fff  libstdc++.6.dylib (52.0.0 - compatibility 7.0.0) <6BDD43E4-A4B1-379E-9ED5-8C713653DFF2> /usr/lib/libstdc++.6.dylib
        0x7fff927ac000 -     0x7fff927d0fff  com.apple.RemoteViewServices (1.5 - 44.2) <A0417D7F-22E9-3FD8-AC55-67654D8E93EB> /System/Library/PrivateFrameworks/RemoteViewServices.framework/Versions/A/Remot eViewServices
        0x7fff927d1000 -     0x7fff92867ff7  libvMisc.dylib (325.4.0 - compatibility 1.0.0) <642D8D54-F9F5-3FBB-A96C-EEFE94C6278B> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libvMisc.dylib
        0x7fff92868000 -     0x7fff928acff7  libRIP.A.dylib (600.0.0 - compatibility 64.0.0) <B2A38D2C-7E82-34C5-8896-48C37B0E64A3> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib
        0x7fff928ad000 -     0x7fff9294ffff  com.apple.securityfoundation (5.0 - 55116) <70CDC3ED-39AA-3784-8715-F0F5E2CB9754> /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoun dation
        0x7fff92950000 -     0x7fff92f34fff  libBLAS.dylib (??? - ???) <C34F6D88-187F-33DC-8A68-C0C9D1FA36DF> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libBLAS.dylib
        0x7fff92f35000 -     0x7fff92f3cfff  libcopyfile.dylib (85.1.0 - compatibility 1.0.0) <0AB51EE2-E914-358C-AC19-47BC024BDAE7> /usr/lib/system/libcopyfile.dylib
        0x7fff92f3d000 -     0x7fff92f8eff7  com.apple.CoreMediaIO (216.0 - 3199.8) <4D3FE512-E943-34E3-A7A5-2EC2E3854E28> /System/Library/Frameworks/CoreMediaIO.framework/Versions/A/CoreMediaIO
        0x7fff92f8f000 -     0x7fff92fddfff  libauto.dylib (??? - ???) <D8AC8458-DDD0-3939-8B96-B6CED81613EF> /usr/lib/libauto.dylib
        0x7fff92fde000 -     0x7fff92ff4ff7  com.apple.ImageCapture (7.1.0 - 7.1.0) <1AD40E02-2126-377B-A0D2-CBB21D932558> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture. framework/Versions/A/ImageCapture
        0x7fff92ff5000 -     0x7fff93011ff7  com.apple.GenerationalStorage (1.0 - 126.1) <509F52ED-E54B-3FEF-B3C2-759387B826E6> /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/Gene rationalStorage
        0x7fff93012000 -     0x7fff93053fff  com.apple.QD (3.40.1 - ???) <13ACC7F4-B004-3370-B575-6D06447EE428> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ QD.framework/Versions/A/QD
        0x7fff93054000 -     0x7fff930b4fff  libvDSP.dylib (325.4.0 - compatibility 1.0.0) <3A7521E6-5510-3FA7-AB65-79693A7A5839> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libvDSP.dylib
        0x7fff930b5000 -     0x7fff930bbfff  com.apple.DiskArbitration (2.4.1 - 2.4.1) <CEA34337-63DE-302E-81AA-10D717E1F699> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
        0x7fff930e6000 -     0x7fff930ecfff  libmacho.dylib (800.0.0 - compatibility 1.0.0) <165514D7-1BFA-38EF-A151-676DCD21FB64> /usr/lib/system/libmacho.dylib
        0x7fff930ed000 -     0x7fff93223fff  com.apple.vImage (5.1 - 5.1) <A08B7582-67BC-3EED-813A-4833645964A7> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.fr amework/Versions/A/vImage
        0x7fff93224000 -     0x7fff93381fff  com.apple.audio.toolbox.AudioToolbox (1.7.3 - 1.7.3) <5F1E4695-BC74-3ADD-8345-627BCD68201A> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
        0x7fff93382000 -     0x7fff9339cfff  com.apple.CoreMediaAuthoring (2.0 - 891) <C7A92C52-AD9F-3CF1-86D5-C0714118935C> /System/Library/PrivateFrameworks/CoreMediaAuthoring.framework/Versions/A/CoreM ediaAuthoring
        0x7fff9339d000 -     0x7fff933a4fff  libGFXShared.dylib (??? - ???) <D3598924-B167-372E-8C9F-1BBF68852542> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.d ylib
        0x7fff933a5000 -     0x7fff933a5fff  com.apple.Accelerate.vecLib (3.7 - vecLib 3.7) <C06A140F-6114-3B8B-B080-E509303145B8> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/vecLib
        0x7fff93442000 -     0x7fff93466fff  com.apple.Kerberos (1.0 - 1) <1F826BCE-DA8F-381D-9C4C-A36AA0EA1CB9> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
        0x7fff934f6000 -     0x7fff93523fe7  libSystem.B.dylib (159.1.0 - compatibility 1.0.0) <6E5C8AC3-DBB7-31CB-BEB7-D6ED8E6DE0CE> /usr/lib/libSystem.B.dylib
        0x7fff9353b000 -     0x7fff93566ff7  libxslt.1.dylib (3.24.0 - compatibility 3.0.0) <E71220D3-8015-38EC-B97D-7FDB383C2BDC> /usr/lib/libxslt.1.dylib
        0x7fff93567000 -     0x7fff935bfff7  libTIFF.dylib (??? - ???) <59353B7F-EA9A-32D5-A501-283443B30C60> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libTIFF.dylib
        0x7fff935c0000 -     0x7fff93a87fff  FaceCoreLight (1.4.7 - compatibility 1.0.0) <BDD0E1DE-CF33-3AF8-B33B-4D1574CCC19D> /System/Library/PrivateFrameworks/FaceCoreLight.framework/Versions/A/FaceCoreLi ght
        0x7fff93aa3000 -     0x7fff93ac9fff  com.apple.framework.familycontrols (3.0 - 300) <6F0C58C0-22E7-3877-8CFA-1ED0CB3CE38B> /System/Library/PrivateFrameworks/FamilyControls.framework/Versions/A/FamilyCon trols
        0x7fff93aca000 -     0x7fff93ad5ff7  com.apple.speech.recognition.framework (4.0.21 - 4.0.21) <6540EAF2-E3BF-3D2E-B4C1-F106180D6F20> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecogni tion.framework/Versions/A/SpeechRecognition
        0x7fff93ad6000 -     0x7fff93ad8fff  libCVMSPluginSupport.dylib (??? - ???) <982F1ED4-3CBB-3161-8BEA-8A980C27FCC1> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginS upport.dylib
        0x7fff93aea000 -     0x7fff93aeefff  libmathCommon.A.dylib (2026.0.0 - compatibility 1.0.0) <FF83AFF7-42B2-306E-90AF-D539C51A4542> /usr/lib/system/libmathCommon.A.dylib
        0x7fff93b64000 -     0x7fff93b94ff7  com.apple.DictionaryServices (1.2.1 - 158.3) <5E2EBBFD-D520-3379-A431-11DAA844B8D6> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Diction aryServices.framework/Versions/A/DictionaryServices
        0x7fff93ba3000 -     0x7fff93ba6fff  libCoreVMClient.dylib (??? - ???) <28CB0F3F-A202-391F-8CAC-FC9A1398A962> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClien t.dylib
        0x7fff93ba7000 -     0x7fff93be1fe7  com.apple.DebugSymbols (2.1 - 87) <ED2B177C-4146-3715-91DF-D99A8ED5449A> /System/Library/PrivateFrameworks/DebugSymbols.framework/Versions/A/DebugSymbol s
        0x7fff93c3d000 -     0x7fff93c4bff7  libkxld.dylib (??? - ???) <01161870-E3B3-3F87-BA4A-0AA7A081F409> /usr/lib/system/libkxld.dylib
        0x7fff93c4c000 -     0x7fff93d59fff  libJP2.dylib (??? - ???) <6AF1F5FC-34D4-3278-BEBB-0712B81890B4> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libJP2.dylib
        0x7fff93d5a000 -     0x7fff93d69fff  com.apple.opengl (1.8.1 - 1.8.1) <51B34133-CEE3-3FC6-82AC-ADF567AE673C> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
        0x7fff941ff000 -     0x7fff942e3ff7  com.apple.CoreServices.OSServices (478.50 - 478.50) <3D6AA4EF-C601-36C7-8F3A-A00964F01759> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServi ces.framework/Versions/A/OSServices
        0x7fff942e4000 -     0x7fff942eeff7  liblaunch.dylib (392.39.0 - compatibility 1.0.0) <8C235D13-2928-30E5-9E12-2CC3D6324AE2> /usr/lib/system/liblaunch.dylib
        0x7fff942ef000 -     0x7fff942f2ff7  com.apple.securityhi (4.0 - 1) <D0ABB03B-CEF9-39E0-A139-AA9484DBBC07> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.fr amework/Versions/A/SecurityHI
        0x7fff9431a000 -     0x7fff9431afff  com.apple.Carbon (153 - 153) <16EA5662-5C2C-3267-B419-66669AE536D7> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
        0x7fff9431b000 -     0x7fff94329fff  com.apple.NetAuth (3.2 - 3.2) <F0D60E34-37A9-308D-B44E-E3450906173A> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
        0x7fff9432a000 -     0x7fff94427ff7  com.apple.avfoundation (2.0 - 180.50) <A2EAE4E6-4DBA-3AAB-A387-7E72B93B6DA9> /System/Library/Frameworks/AVFoundation.framework/Versions/A/AVFoundation
        0x7fff94428000 -     0x7fff94463fff  libsystem_info.dylib (??? - ???) <35F90252-2AE1-32C5-8D34-782C614D9639> /usr/lib/system/libsystem_info.dylib
        0x7fff94464000 -     0x7fff945cbfff  com.apple.CFNetwork (520.5.1 - 520.5.1) <08F70E26-5456-3BFB-8192-00D3CE40D3C9> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwo rk.framework/Versions/A/CFNetwork
        0x7fff945cc000 -     0x7fff945deff7  libsasl2.2.dylib (3.15.0 - compatibility 3.0.0) <6245B497-784B-355C-98EF-2DC6B45BF05C> /usr/lib/libsasl2.2.dylib
        0x7fff9467a000 -     0x7fff9471bfff  com.apple.LaunchServices (480.40 - 480.40) <C936A07F-0CF8-3F8E-BDB3-76AA7611B4CA> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchS ervices.framework/Versions/A/LaunchServices
        0x7fff94779000 -     0x7fff947b8fff  com.apple.AE (527.7 - 527.7) <B82F7ABC-AC8B-3507-B029-969DD5CA813D> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.fram ework/Versions/A/AE
        0x7fff949d3000 -     0x7fff94a25ff7  libGLU.dylib (??? - ???) <DB906997-0F70-3469-BA0E-2F1DDBEAD8D5> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
        0x7fff94a26000 -     0x7fff94acbfff  com.apple.ink.framework (10.7.5 - 113) <1AE6676D-490A-36C2-B6CC-00F93AEB31DE> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework /Versions/A/Ink
        0x7fff94b42000 -     0x7fff94b55ff7  libCRFSuite.dylib (??? - ???) <0B76941F-218E-30C8-B6DE-E15919F8DBEB> /usr/lib/libCRFSuite.dylib
        0x7fff94b70000 -     0x7fff94b75ff7  libsystem_network.dylib (??? - ???) <5DE7024E-1D2D-34A2-80F4-08326331A75B> /usr/lib/system/libsystem_network.dylib
        0x7fff94b76000 -     0x7fff94b7bfff  libcompiler_rt.dylib (6.0.0 - compatibility 1.0.0) <98ECD5F6-E85C-32A5-98CD-8911230CB66A> /usr/lib/system/libcompiler_rt.dylib
        0x7fff94b7c000 -     0x7fff94c5afff  com.apple.DiscRecording (6.0.4 - 6040.4.1) <F434B351-AE30-3D1B-9DAF-4581D080D2BC> /System/Library/Frameworks/DiscRecording.framework/Versions/A/DiscRecording
        0x7fff94c5b000 -     0x7fff95079ff7  com.apple.SceneKit (125.3 - 125.8) <23382F45-D9CE-3897-B998-5B26337608FD> /System/Library/PrivateFrameworks/SceneKit.framework/Versions/A/SceneKit
        0x7fff9507a000 -     0x7fff9507ffff  libGIF.dylib (??? - ???) <58A4492D-AAE7-3B8F-8B06-62867471A3EE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libGIF.dylib
        0x7fff95080000 -     0x7fff95c86fff  com.apple.AppKit (6.7.5 - 1138.51) <44417D02-6123-3FC3-A119-CE51BB4C3006> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
        0x7fff95c87000 -     0x7fff95d66fff  com.apple.ImageIO.framework (3.1.2 - 3.1.2) <047DFE61-500F-3F11-9881-D0844D2FCE5F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/ImageIO
        0x7fff95d67000 -     0x7fff95dbafff  com.apple.AppleVAFramework (5.0.16 - 5.0.16) <6F9A4BCE-8B99-3144-BCF7-B4299B27F6E9> /System/Library/PrivateFrameworks/AppleVA.framework/Versions/A/AppleVA
        0x7fff95dbb000 -     0x7fff95dc8fff  libCSync.A.dylib (600.0.0 - compatibility 64.0.0) <72C53E7B-C222-3BE5-9984-FDC328CC4846> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/libCSync.A.dylib
        0x7fff9648e000 -     0x7fff96499ff7  com.apple.DisplayServicesFW (2.5.4 - 323.3) <5E7F7A88-9313-3C31-87BD-80F3361DA338> /System/Library/PrivateFrameworks/DisplayServices.framework/Versions/A/DisplayS ervices
        0x7fff9649a000 -     0x7fff9649eff7  com.apple.CommonPanels (1.2.5 - 94) <37C6540B-F8D1-355A-806C-F93D8FB522AB> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels. framework/Versions/A/CommonPanels
        0x7fff964be000 -     0x7fff964c9fff  com.apple.CommonAuth (2.2 - 2.0) <77E6F0D0-85B6-30B5-B99C-F57104DD2EBA> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
        0x7fff964d5000 -     0x7fff964d7fff  libquarantine.dylib (36.7.0 - compatibility 1.0.0) <8D9832F9-E4A9-38C3-B880-E5210B2353C7> /usr/lib/system/libquarantine.dylib
        0x7fff964d8000 -     0x7fff96e76a27  com.apple.CoreGraphics (1.600.0 - ???) <576777EA-921B-3D94-98C3-40A9CF8EBD18> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/CoreGraphics
        0x7fff96e77000 -     0x7fff96f2aff7  com.apple.CoreText (220.22.0 - ???) <A7A1096F-A211-3775-BA33-08FE98D27F08> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreText.framework/Versions/A/CoreText
        0x7fff96f2b000 -     0x7fff96fc5ff7  com.apple.SearchKit (1.4.0 - 1.4.0) <4E70C394-773E-3A4B-A93C-59A88ABA9509> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchK it.framework/Versions/A/SearchKit
        0x7fff96fc6000 -     0x7fff970a3fef  libsystem_c.dylib (763.13.0 - compatibility 1.0.0) <41B4

    Hi there rapitupnow9!
    I have a couple of links here for you that should be able to help you with this issue. First, I would suggest isolating the issue by following the steps located in this article:
    Isolating an issue by using another user account
    http://support.apple.com/kb/TS4053
    If you are still having trouble with iTunes in the new user account, then you should attempt to reinstall iTunes on your computer. Information about doing this can be found here:
    OS X Lion: Reinstall applications that came with your computer
    http://support.apple.com/kb/PH4360
    Thanks for using the Apple Support Communities!
    Cheers,
    Braden

  • Safari crashes after installing Lion.Exception Type:  EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000  Application Specific Information: objc[1749]: garbage collection is OFF *** Terminating app due to uncaught exception 'NSInt

    Exception Type:  EXC_CRASH (SIGABRT)
    Exception Codes: 0x0000000000000000, 0x0000000000000000
    Application Specific Information:
    objc[1749]: garbage collection is OFF
    *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid parameter not satisfying: (index >= 0) && (index < [_itemArray count])'
    *** First throw call stack:
              0   CoreFoundation                      0x00007fff895b1f56 __exceptionPreprocess + 198
              1   libobjc.A.dylib                     0x00007fff8c7a5d5e objc_exception_throw + 43
              2   CoreFoundation                      0x00007fff895b1d8a +[NSException raise:format:arguments:] + 106
              3   Foundation                          0x00007fff9098371f -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 169
              4   AppKit                              0x00007fff883c4cdf -[NSMenu itemAtIndex:] + 165
              5   AppKit                              0x00007fff883c4e38 -[NSMenu removeItemAtIndex:] + 63
              6   Safari                              0x000000010ace3c2e -[AppController awakeFromNib] + 387
              7   CoreFoundation                      0x00007fff895a8fb1 -[NSObject performSelector:] + 49
              8   CoreFoundation                      0x00007fff895a8f32 -[NSSet makeObjectsPerformSelector:] + 274
              9   AppKit                              0x00007fff883ac9ff -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 1245
              10  AppKit                              0x00007fff883a2f73 loadNib + 322
              11  AppKit                              0x00007fff883a2470 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 217
              12  AppKit                              0x00007fff883a238b +[NSBundle(NSNibLoading) loadNibFile:externalNameTable:withZone:] + 141
              13  AppKit                              0x00007fff883a22ce +[NSBundle(NSNibLoading) loadNibNamed:owner:] + 364
              14  AppKit                              0x00007fff8861306f NSApplicationMain + 398
              15  Safari                              0x000000010aee6806 SafariMain + 166
              16  Safari                              0x000000010acd3f24 Safari + 3876
    terminate called throwing an exception
    abort() called

    Click here >  Safari Quits Every Time Opened: Apple Support Communities
    Then click the link posted by:  gregoryfromcork
    That will automatically download this file >  Safari6Lion.pkg.download
    Now quit Safari.
    Go to your Downloads folder and double click that file and follow the instructions for installing.
    Then restart your Mac, try Safari.
    Same issue helped this user >   safari crashes when opening - brand new...: Apple Support Communities

  • IncompatibleClassChangeError. Caused by garbage collection?

    The problem occurs on JDK 1.3.1-b24 compiled in JBuilder Windows and
    running on Sun Solaris with identical JDK version.
    The application is a relatively complex RMI server.
    An error recovery function in the server runs in a Thread every two
    minutes. Most of the time it has nothing to do and ends without
    incident.
    Occasionally conditions require recovery that may not be successful
    for many attempts.
    Part of the recovery is a simple debug display of parameters involved
    in the recovery. There will be multiple displays during a single
    recovery cycle.
    In a recent example of problem, the recovery executed every two
    minutes for over two hours with the debug display working
    successfully.
    Suddenly one display works successfully and 5 milliseconds later the
    same display fails with a IncompatibleClassChangeError.
    The last part of the stack trace is:
    java.lang.IncompatibleClassChangeError
         at [class name].toString([class name].java:74)
         at java.lang.String.valueOf(String.java:1947)
         at java.lang.StringBuffer.append(StringBuffer.java:370)
         at java.util.AbstractMap.toString(AbstractMap.java:567)
         at java.lang.String.valueOf(String.java:1947)
    line 74 of class is
    public String toString()
    return _responses.toString();
    where _responses is an ArrayList that has been stored on Map that
    contains the parameters that is being display as part of the debug
    information.
    Once the failure occurs, it will always occur until the JVM is
    restarted. This suggests to me that something in the JVM, maybe garbage collection, has either corrupted the in-memory copy of the class or some internal table used by the JVM has become corrupted.
    Anybody else have ideas?

    java.lang.IncompatibleClassChangeError
         at [class name].toString([class name].java:74)
         at java.lang.String.valueOf(String.java:1947)
    at
    java.lang.StringBuffer.append(StringBuffer.java:370)
    at
    java.util.AbstractMap.toString(AbstractMap.java:567)
         at java.lang.String.valueOf(String.java:1947)
    Problem: The IncompatiableClassChangeError is a Symbolic resolution problem. In lamen's terms a package,class,method,or a variable name is corrupted.
    Possible problem location: Are you using a Custom ClassLoader? Do you Load and compile on the fly?
    where _responses is an ArrayList that has been stored
    on Map that
    I would look hard at the following methods in your MAP Interface:
    public void clear();
    public Object put(Object key,Object value);
    public void putAll(Map t);
    public Object remove(Object key);Is it possible that your MAP interface is corrupting your ArrayList using one of the above methods? Then, when you are building the strings using the AbstractMap's.toString() method, you are getting the IncompatiableClassChangeError?
    This is word for word listing of the MAP Interface...V1.41.
    Some map implementations have restrictions on the keys and values they may contain. For example, some implementations prohibit null keys and values, and some have restrictions on the types of their keys.
    This puzzles me
    Attempting to insert an ineligible key or value throws an unchecked exception, typically NullPointerException or ClassCastException.
    What's this, they state above that you should get a unchecked Exception, but the first sentence below makes me assume they are pulling a query on an ineligible key or value???
    Attempting to query the presence of an ineligible key or value may throw an exception, or it may simply return false; some implementations will exhibit the former behavior and some will exhibit the latter.
    Oh,OK. They are basically saying it totally depends on how you implement this Interface <grin>
    More generally, attempting an operation on an ineligible key or value whose completion would not result in the insertion of an ineligible element into the map may throw an exception or it may succeed, at the option of the implementation.
    The "optional" they are talking about are the methods that I listed above.
    Such exceptions are marked as "optional" in the specification for this interface.
    Well you asked for ideas, so there's a brain fart for you?
    ...Hope this helps

  • How to Change the Garbage Collection Algorithm in WLS 9..2

    Hi All
    I am trying to find out the way to configure the GC algorithm in weblogic 9.2 to type bea.Jmapi.GarbageCollector@.
    By default it is showing ‘Nursery, parallel mark, parallel sweep’ . We were trying to change it to generational (two-spaced) with a parallel mark algorithm and a concurrent sweep algorithm or bea.Jmapi.GarbageCollector .
    To change the same I modified the memory argument in commenv.cmd to set MEM_ARGS=-Xms128m -Xmx256m -XXsetGC:genparcon
    Still Garbage Collection Statistics section in web logic console shows the same default value.
    Could anyone tell me if I am missing something?
    thanks in advance

    There is nothing is WebLogic that will define the JVM GC algorithm, that is up to the JVM settings that are normally configured using params in the start scripts.
    If you are using JRockit, you can ask in the forums but the JVM documentation should really be sufficient.
    JRockit
    Same thing for the Sun JVM, there is lots of information out there on how to change the GC algorithm.
    The thing that is nice about JRockit is that you can use the Mission Control tooling to take recordings, look at the GC's and make adjustments easily. Sun has some tooling as well with jvmstat (and visualgc), but I'm not as familiar with it.
    http://java.sun.com/performance/jvmstat/
    Both of those tools would be much preferred to printing the GC info to a file and trying to parse it in my opinion.

  • Static class garbage collection

    Can garbage collector can garbage collect static classes ?.
    My doubt is that when you access a static class , that class is loaded through its class loader ( when first time that class is referenced ).
    So when did the garbage collector collects this static class ( assume that static class no longer referred ).
    Please do more information,
    What are the ways to prevent garbage collector for a particular class ( Assume that i m implementing a singleton for my java runtime)
    thanks and regards
    Renjith.

    Can garbage collector can garbage collect static classes ?. Static classes are nothing special in terms of class loading - they are only different in visibility for linking.
    Perhaps you mean static members of classes?
    My doubt is that when you access a static class ,
    that class is loaded through its class loader ( when
    first time that class is referenced ). Classes are always loaded through classloaders. Objects of those classes are allocated from the heap, and the object instances refer to the class object.
    Objects (either instances, or classes themselves) are garbage collected when they are no longer live (i.e. no live object refers to them). (This is a somewhat recursive definition, and sometimes, you can have cyclic dependencies that make garbage collection tricky, but the GC, while it has to be conservative for correctness, usually gets it right).
    So for a static member to be garbage-collected, the class has to be garbage-collected first. The class cannot be GC'ed until all references to it go away (this includes all dynamically allocated objects of that type, and the class loader that loaded that class).
    And yes, class loaders can go away, but only if they are created by your program. The system class loader (which is the default classloader you get if you don't create any class loaders of your own) never goes away, so any class loaded from CLASSPATH will never be unloaded.
    (As an example, servlet containers - e.g. Tomcat, Weblogic, etc.) allocate one or more classloaders for each webapp. When the webapp is un-deployed, the classloaders are "orphaned", and they, and any classes loaded by them (from the WEB-INF/lib and WEB-INF/classes directories) are unloaded and garbage-collected. (After all the dynamic objects of those classes are GC'ed, of course).
    >
    So when did the garbage collector collects this
    static class ( assume that static class no longer
    referred ).
    Please do more information,
    What are the ways to prevent garbage collector for a
    particular class ( Assume that i m implementing a
    singleton for my java runtime)
    thanks and regards
    Renjith.

  • Terminal crashes and gives me this Application Specific Information: objc[375]: garbage collection is OFF *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSKeyedUnarchiver initForReadingWithData:]: incomprehensib

    Every time I try to open terminal I get this:
    Process:         Terminal [375]
    Path:            /Applications/Utilities/Terminal.app/Contents/MacOS/Terminal
    Identifier:      com.apple.Terminal
    Version:         2.2.3 (303.2)
    Build Info:      Terminal-303002000000000~1
    Code Type:       X86-64 (Native)
    Parent Process:  launchd [243]
    Date/Time:       2013-04-27 21:01:14.584 -0700
    OS Version:      Mac OS X 10.7.5 (11G63b)
    Report Version:  9
    Interval Since Last Report:          -253893 sec
    Crashes Since Last Report:           20
    Per-App Interval Since Last Report:  108 sec
    Per-App Crashes Since Last Report:   15
    Anonymous UUID:                      F9AFDFB7-B568-4DCF-8FA3-DD4CDD3613ED
    Crashed Thread:  0  Dispatch queue: com.apple.main-thread
    Exception Type:  EXC_CRASH (SIGABRT)
    Exception Codes: 0x0000000000000000, 0x0000000000000000
    Application Specific Information:
    objc[375]: garbage collection is OFF
    *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSKeyedUnarchiver initForReadingWithData:]: incomprehensible archive (0x62, 0x70, 0x6c, 0x69, 0x73, 0x74, 0x30, 0x30)'
    *** First throw call stack:
              0   CoreFoundation                      0x00007fff89f0bf56 __exceptionPreprocess + 198
              1   libobjc.A.dylib                     0x00007fff85920d5e objc_exception_throw + 43
              2   CoreFoundation                      0x00007fff89f0bd8a +[NSException raise:format:arguments:] + 106
              3   CoreFoundation                      0x00007fff89f0bd14 +[NSException raise:format:] + 116
              4   Foundation                          0x00007fff868bb61b -[NSKeyedUnarchiver initForReadingWithData:] + 2611
              5   Foundation                          0x00007fff868fffbb +[NSKeyedUnarchiver unarchiveObjectWithData:] + 68
              6   Terminal                            0x0000000105c39e43 Terminal + 20035
              7   Terminal                            0x0000000105c37c99 Terminal + 11417
              8   Terminal                            0x0000000105c377b2 Terminal + 10162
              9   Terminal                            0x0000000105c373f2 Terminal + 9202
              10  Terminal                            0x0000000105c3731c Terminal + 8988
              11  Terminal                            0x0000000105c36d30 Terminal + 7472
              12  AppKit                              0x00007fff86bb0389 -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 1311
              13  AppKit                              0x00007fff86ba68bb loadNib + 322
              14  AppKit                              0x00007fff86ba5db8 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 217
              15  AppKit                              0x00007fff86ba5cd3 +[NSBundle(NSNibLoading) loadNibFile:externalNameTable:withZone:] + 141
              16  AppKit                              0x00007fff86ba5c16 +[NSBundle(NSNibLoading) loadNibNamed:owner:] + 364
              17  AppKit                              0x00007fff86e16cd7 NSApplicationMain + 398
              18  Terminal                            0x0000000105c36164 Terminal + 4452
    terminate called throwing an exception
    abort() called
    Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
    0   libsystem_kernel.dylib                  0x00007fff85d21ce2 __pthread_kill + 10
    1   libsystem_c.dylib                       0x00007fff8ac267d2 pthread_kill + 95
    2   libsystem_c.dylib                       0x00007fff8ac17a7a abort + 143
    3   libc++abi.dylib                         0x00007fff890f07bc abort_message + 214
    4   libc++abi.dylib                         0x00007fff890edfcf default_terminate() + 28
    5   libobjc.A.dylib                         0x00007fff859211b9 _objc_terminate + 94
    6   libc++abi.dylib                         0x00007fff890ee001 safe_handler_caller(void (*)()) + 11
    7   libc++abi.dylib                         0x00007fff890ee05c std::terminate() + 16
    8   libc++abi.dylib                         0x00007fff890ef152 __cxa_throw + 114
    9   libobjc.A.dylib                         0x00007fff85920e7a objc_exception_throw + 327
    10  com.apple.CoreFoundation                0x00007fff89f0bd8a +[NSException raise:format:arguments:] + 106
    11  com.apple.CoreFoundation                0x00007fff89f0bd14 +[NSException raise:format:] + 116
    12  com.apple.Foundation                    0x00007fff868bb61b -[NSKeyedUnarchiver initForReadingWithData:] + 2611
    13  com.apple.Foundation                    0x00007fff868fffbb +[NSKeyedUnarchiver unarchiveObjectWithData:] + 68
    14  com.apple.Terminal                      0x0000000105c39e43 0x105c35000 + 20035
    15  com.apple.Terminal                      0x0000000105c37c99 0x105c35000 + 11417
    16  com.apple.Terminal                      0x0000000105c377b2 0x105c35000 + 10162
    17  com.apple.Terminal                      0x0000000105c373f2 0x105c35000 + 9202
    18  com.apple.Terminal                      0x0000000105c3731c 0x105c35000 + 8988
    19  com.apple.Terminal                      0x0000000105c36d30 0x105c35000 + 7472
    20  com.apple.AppKit                        0x00007fff86bb0389 -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 1311
    21  com.apple.AppKit                        0x00007fff86ba68bb loadNib + 322
    22  com.apple.AppKit                        0x00007fff86ba5db8 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 217
    23  com.apple.AppKit                        0x00007fff86ba5cd3 +[NSBundle(NSNibLoading) loadNibFile:externalNameTable:withZone:] + 141
    24  com.apple.AppKit                        0x00007fff86ba5c16 +[NSBundle(NSNibLoading) loadNibNamed:owner:] + 364
    25  com.apple.AppKit                        0x00007fff86e16cd7 NSApplicationMain + 398
    26  com.apple.Terminal                      0x0000000105c36164 0x105c35000 + 4452
    Thread 1:: Dispatch queue: com.apple.libdispatch-manager
    0   libsystem_kernel.dylib                  0x00007fff85d227e6 kevent + 10
    1   libdispatch.dylib                       0x00007fff87b14786 _dispatch_mgr_invoke + 923
    2   libdispatch.dylib                       0x00007fff87b13316 _dispatch_mgr_thread + 54
    Thread 2:
    0   libsystem_kernel.dylib                  0x00007fff85d22192 __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x00007fff8ac26594 _pthread_wqthread + 758
    2   libsystem_c.dylib                       0x00007fff8ac27b85 start_wqthread + 13
    Thread 3:
    0   libsystem_kernel.dylib                  0x00007fff85d22192 __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x00007fff8ac26594 _pthread_wqthread + 758
    2   libsystem_c.dylib                       0x00007fff8ac27b85 start_wqthread + 13
    Thread 4:
    0   libsystem_kernel.dylib                  0x00007fff85d227e6 kevent + 10
    1   com.apple.Terminal                      0x0000000105c36b9d 0x105c35000 + 7069
    2   com.apple.Foundation                    0x00007fff868d672a -[NSThread main] + 68
    3   com.apple.Foundation                    0x00007fff868d66a2 __NSThread__main__ + 1575
    4   libsystem_c.dylib                       0x00007fff8ac248bf _pthread_start + 335
    5   libsystem_c.dylib                       0x00007fff8ac27b75 thread_start + 13
    Thread 0 crashed with X86 Thread State (64-bit):
      rax: 0x0000000000000000  rbx: 0x0000000000000006  rcx: 0x00007fff65832fb8  rdx: 0x0000000000000000
      rdi: 0x0000000000000b07  rsi: 0x0000000000000006  rbp: 0x00007fff65832fe0  rsp: 0x00007fff65832fb8
       r8: 0x00007fff72276fb8   r9: 0x00007fff65832a48  r10: 0x00007fff85d21d0a  r11: 0xffffff80002dad60
      r12: 0x0000000105e245c0  r13: 0x0000000105e24b20  r14: 0x00007fff72279960  r15: 0x00007fff65833130
      rip: 0x00007fff85d21ce2  rfl: 0x0000000000000246  cr2: 0x00000001100f3000
    Logical CPU: 0
    Binary Images:
           0x105c35000 -        0x105ce5fff  com.apple.Terminal (2.2.3 - 303.2) <4FE3571C-852C-3F5E-BA6A-87B48ED5E043> /Applications/Utilities/Terminal.app/Contents/MacOS/Terminal
        0x7fff65835000 -     0x7fff65869baf  dyld (195.6 - ???) <0CD1B35B-A28F-32DA-B72E-452EAD609613> /usr/lib/dyld
        0x7fff810df000 -     0x7fff810f6fff  com.apple.CFOpenDirectory (10.7 - 144) <9709423E-8484-3B26-AAE8-EF58D1B8FB3F> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpen Directory.framework/Versions/A/CFOpenDirectory
        0x7fff810f7000 -     0x7fff810f8fff  liblangid.dylib (??? - ???) <CACBE3C3-2F7B-3EED-B50E-EDB73F473B77> /usr/lib/liblangid.dylib
        0x7fff811ad000 -     0x7fff814d9fff  com.apple.HIToolbox (1.9 - ???) <CCB32DEA-D0CA-35D1-8019-E599C8007AB6> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox
        0x7fff81524000 -     0x7fff81566ff7  libcommonCrypto.dylib (55010.0.0 - compatibility 1.0.0) <A5B9778E-11C3-3F61-B740-1F2114E967FB> /usr/lib/system/libcommonCrypto.dylib
        0x7fff815df000 -     0x7fff81a0cfff  libLAPACK.dylib (??? - ???) <4F2E1055-2207-340B-BB45-E4F16171EE0D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libLAPACK.dylib
        0x7fff81a0d000 -     0x7fff81a0dfff  com.apple.Carbon (153 - 153) <895C2BF2-1666-3A59-A669-311B1F4F368B> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
        0x7fff81a0e000 -     0x7fff81aedfff  com.apple.ImageIO.framework (3.1.2 - 3.1.2) <047DFE61-500F-3F11-9881-D0844D2FCE5F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/ImageIO
        0x7fff81b1e000 -     0x7fff81b22ff7  com.apple.CommonPanels (1.2.5 - 94) <0BB2C436-C9D5-380B-86B5-E355A7711259> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels. framework/Versions/A/CommonPanels
        0x7fff81b23000 -     0x7fff81c28fff  libFontParser.dylib (??? - ???) <D2E56B6E-3182-3667-A78C-4172C435523A> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ATS.framework/Versions/A/Resources/libFontParser.dylib
        0x7fff820ba000 -     0x7fff820befff  libdyld.dylib (195.5.0 - compatibility 1.0.0) <F1903B7A-D3FF-3390-909A-B24E09BAD1A5> /usr/lib/system/libdyld.dylib
        0x7fff820bf000 -     0x7fff82117ff7  libTIFF.dylib (??? - ???) <59353B7F-EA9A-32D5-A501-283443B30C60> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libTIFF.dylib
        0x7fff82118000 -     0x7fff8224efff  com.apple.vImage (5.1 - 5.1) <A08B7582-67BC-3EED-813A-4833645964A7> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.fr amework/Versions/A/vImage
        0x7fff8224f000 -     0x7fff82256fff  libGFXShared.dylib (??? - ???) <D3598924-B167-372E-8C9F-1BBF68852542> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.d ylib
        0x7fff82258000 -     0x7fff8225dfff  libpam.2.dylib (3.0.0 - compatibility 3.0.0) <D952F17B-200A-3A23-B9B2-7C1F7AC19189> /usr/lib/libpam.2.dylib
        0x7fff8226b000 -     0x7fff822f0ff7  com.apple.Heimdal (2.2 - 2.0) <FF0BD9A4-6FB0-31E3-ABFB-563FBBEC45FC> /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
        0x7fff829c3000 -     0x7fff829e0ff7  com.apple.openscripting (1.3.3 - ???) <F5E34F54-CE85-334B-8F25-53581D43960C> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting .framework/Versions/A/OpenScripting
        0x7fff829e1000 -     0x7fff829f6fff  com.apple.speech.synthesis.framework (4.0.74 - 4.0.74) <C061ECBB-7061-3A43-8A18-90633F943295> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ SpeechSynthesis.framework/Versions/A/SpeechSynthesis
        0x7fff829f7000 -     0x7fff82a02fff  com.apple.CommonAuth (2.2 - 2.0) <77E6F0D0-85B6-30B5-B99C-F57104DD2EBA> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
        0x7fff82a03000 -     0x7fff82a03fff  com.apple.Accelerate.vecLib (3.7 - vecLib 3.7) <C06A140F-6114-3B8B-B080-E509303145B8> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/vecLib
        0x7fff82a04000 -     0x7fff82a43fff  com.apple.AE (527.7 - 527.7) <B82F7ABC-AC8B-3507-B029-969DD5CA813D> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.fram ework/Versions/A/AE
        0x7fff82cbb000 -     0x7fff82ebdfff  libicucore.A.dylib (46.1.0 - compatibility 1.0.0) <0176782F-9526-3905-813A-7A5676EC2C86> /usr/lib/libicucore.A.dylib
        0x7fff82f0b000 -     0x7fff8317ffff  com.apple.CoreImage (7.99.1 - 1.0.1) <4BB09B79-275B-364C-9466-0FF36ABB1218> /System/Library/Frameworks/QuartzCore.framework/Versions/A/Frameworks/CoreImage .framework/Versions/A/CoreImage
        0x7fff83180000 -     0x7fff831a9fff  com.apple.CoreVideo (1.7 - 70.3) <9A9D4058-9935-3B0A-B1A6-27EB78D02249> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
        0x7fff8342a000 -     0x7fff83431ff7  com.apple.CommerceCore (1.0 - 17) <AA783B87-48D4-3CA6-8FF6-0316396022F4> /System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Frameworks/C ommerceCore.framework/Versions/A/CommerceCore
        0x7fff83432000 -     0x7fff83434fff  libquarantine.dylib (36.7.0 - compatibility 1.0.0) <8D9832F9-E4A9-38C3-B880-E5210B2353C7> /usr/lib/system/libquarantine.dylib
        0x7fff83435000 -     0x7fff83435fff  com.apple.ApplicationServices (41 - 41) <03F3FA8F-8D2A-3AB6-A8E3-40B001116339> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Application Services
        0x7fff834db000 -     0x7fff83543ff7  com.apple.coreui (1.2.2 - 165.11) <9316266A-39CA-3EC7-9C9E-726462CEFF4D> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
        0x7fff83792000 -     0x7fff83932ff7  com.apple.QuartzCore (1.7 - 270.5) <19E5E0AB-DAA9-3F97-988C-D9A46AFB9C04> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
        0x7fff8393f000 -     0x7fff83941fff  com.apple.TrustEvaluationAgent (2.0 - 1) <1F31CAFF-C1C6-33D3-94E9-11B721761DDF> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/Tru stEvaluationAgent
        0x7fff83942000 -     0x7fff83a26ff7  com.apple.CoreServices.OSServices (478.50 - 478.50) <3D6AA4EF-C601-36C7-8F3A-A00964F01759> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServi ces.framework/Versions/A/OSServices
        0x7fff83a66000 -     0x7fff83b2dff7  com.apple.ColorSync (4.7.4 - 4.7.4) <590AFCDA-F10E-31FE-9B01-DA5FFE74C2BB> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ColorSync.framework/Versions/A/ColorSync
        0x7fff83e54000 -     0x7fff83e62fff  com.apple.NetAuth (1.0 - 3.0) <F384FFFD-70F6-3B1C-A886-F5B446E456E7> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
        0x7fff83e71000 -     0x7fff83e9efe7  libSystem.B.dylib (159.1.0 - compatibility 1.0.0) <7BEBB139-50BB-3112-947A-F4AA168F991C> /usr/lib/libSystem.B.dylib
        0x7fff83e9f000 -     0x7fff83f22fef  com.apple.Metadata (10.7.0 - 627.37) <B9BEB598-B6F2-3BFF-A8F3-C3C87CD076AB> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadat a.framework/Versions/A/Metadata
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        0x7fff8af11000 -     0x7fff8af44ff7  com.apple.GSS (2.2 - 2.0) <971395D0-B9D0-3FDE-B23F-6F9D0A2FB95F> /System/Library/Frameworks/GSS.framework/Versions/A/GSS
        0x7fff8af45000 -     0x7fff8af7ffe7  com.apple.DebugSymbols (2.1 - 87) <ED2B177C-4146-3715-91DF-D99A8ED5449A> /System/Library/PrivateFrameworks/DebugSymbols.framework/Versions/A/DebugSymbol s
        0x7fff8af80000 -     0x7fff8af81fff  libunc.dylib (24.0.0 - compatibility 1.0.0) <C67B3B14-866C-314F-87FF-8025BEC2CAAC> /usr/lib/system/libunc.dylib
        0x7fff8af82000 -     0x7fff8afd6ff7  com.apple.ScalableUserInterface (1.0 - 1) <1873D7BE-2272-31A1-8F85-F70C4D706B3B> /System/Library/Frameworks/QuartzCore.framework/Versions/A/Frameworks/ScalableU serInterface.framework/Versions/A/ScalableUserInterface
        0x7fff8afd7000 -     0x7fff8b025fff  libauto.dylib (??? - ???) <D8AC8458-DDD0-3939-8B96-B6CED81613EF> /usr/lib/libauto.dylib
        0x7fff8b445000 -     0x7fff8b499fff  libFontRegistry.dylib (??? - ???) <60FF9C2C-5E44-3C49-8A08-F26101898F21> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ATS.framework/Versions/A/Resources/libFontRegistry.dylib
        0x7fff8b49a000 -     0x7fff8ba7efff  libBLAS.dylib (??? - ???) <C34F6D88-187F-33DC-8A68-C0C9D1FA36DF> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libBLAS.dylib
        0x7fff8ba8f000 -     0x7fff8baf7ff7  com.apple.audio.CoreAudio (4.0.3 - 4.0.3) <9987DC46-2A96-3BA0-B88B-04E573C0AD9B> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
        0x7fff8bb01000 -     0x7fff8bb15ff7  com.apple.LangAnalysis (1.7.0 - 1.7.0) <04C31EF0-912A-3004-A08F-CEC27030E0B2> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ LangAnalysis.framework/Versions/A/LangAnalysis
        0x7fff8bb16000 -     0x7fff8bb16fff  com.apple.Cocoa (6.6 - ???) <021D4214-9C23-3CD8-AFB2-F331697A4508> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa
        0x7fff8bbcf000 -     0x7fff8bcd6fe7  libsqlite3.dylib (9.6.0 - compatibility 9.0.0) <EE02BB01-64C9-304D-9719-A35F5CD6D04C> /usr/lib/libsqlite3.dylib
        0x7fff8bcd7000 -     0x7fff8bd23ff7  com.apple.SystemConfiguration (1.11.3 - 1.11) <0A7F1982-B4EA-3424-A0C7-FE46C6224F03> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfi guration
        0x7fff8beb0000 -     0x7fff8beeafff  libncurses.5.4.dylib (5.4.0 - compatibility 5.4.0) <387DE593-9CC5-38C7-911B-A5F2264D34F2> /usr/lib/libncurses.5.4.dylib
        0x7fff8c15d000 -     0x7fff8c624fff  FaceCoreLight (1.4.7 - compatibility 1.0.0) <BDD0E1DE-CF33-3AF8-B33B-4D1574CCC19D> /System/Library/PrivateFrameworks/FaceCoreLight.framework/Versions/A/FaceCoreLi ght
        0x7fff8c68c000 -     0x7fff8c68ffff  libCoreVMClient.dylib (??? - ???) <28CB0F3F-A202-391F-8CAC-FC9A1398A962> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClien t.dylib
        0x7fff8c690000 -     0x7fff8c6bbff7  libxslt.1.dylib (3.24.0 - compatibility 3.0.0) <E71220D3-8015-38EC-B97D-7FDB383C2BDC> /usr/lib/libxslt.1.dylib
        0x7fff8c6e5000 -     0x7fff8c842fff  com.apple.audio.toolbox.AudioToolbox (1.7.3 - 1.7.3) <5F1E4695-BC74-3ADD-8345-627BCD68201A> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
        0x7fff8d5ac000 -     0x7fff8d5c2ff7  com.apple.ImageCapture (7.1.0 - 7.1.0) <1AD40E02-2126-377B-A0D2-CBB21D932558> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture. framework/Versions/A/ImageCapture
        0x7fff8d5c3000 -     0x7fff8d623fff  libvDSP.dylib (325.4.0 - compatibility 1.0.0) <3A7521E6-5510-3FA7-AB65-79693A7A5839> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libvDSP.dylib
        0x7fff8d624000 -     0x7fff8d631fff  libCSync.A.dylib (600.0.0 - compatibility 64.0.0) <72C53E7B-C222-3BE5-9984-FDC328CC4846> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/libCSync.A.dylib
        0x7fff8d632000 -     0x7fff8d68dff7  com.apple.opencl (2.0.19 - 2.0.19) <B05BF605-73B8-328F-A228-6FA59E1FC73A> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
        0x7fff8d86b000 -     0x7fff8d870fff  libGIF.dylib (??? - ???) <58A4492D-AAE7-3B8F-8B06-62867471A3EE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libGIF.dylib
        0x7fff8d8f7000 -     0x7fff8d9f9fff  libxml2.2.dylib (10.3.0 - compatibility 10.0.0) <AFBB22B7-07AE-3F2E-B88C-70BEEBFB8A86> /usr/lib/libxml2.2.dylib
        0x7fff8dd49000 -     0x7fff8de55fff  libcrypto.0.9.8.dylib (44.0.0 - compatibility 0.9.8) <3A8E1F89-5E26-3C8B-B538-81F5D61DBF8A> /usr/lib/libcrypto.0.9.8.dylib
        0x7fff8de56000 -     0x7fff8de96fe7  libGLImage.dylib (??? - ???) <0B7DAB2B-F1C6-39C7-B864-61EF683B6656> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dyl ib
    External Modification Summary:
      Calls made by other processes targeting this process:
        task_for_pid: 3
        thread_create: 0
        thread_set_state: 0
      Calls made by this process:
        task_for_pid: 0
        thread_create: 0
        thread_set_state: 0
      Calls made by all processes on this machine:
        task_for_pid: 606
        thread_create: 1
        thread_set_state: 0
    VM Region Summary:
    ReadOnly portion of Libraries: Total=143.5M resident=102.0M(71%) swapped_out_or_unallocated=41.4M(29%)
    Writable regions: Total=32.9M written=624K(2%) resident=3456K(10%) swapped_out=0K(0%) unallocated=29.6M(90%)
    REGION TYPE                      VIRTUAL
    ===========                      =======
    CG image                              4K
    CG shared images                    104K
    CoreServices                        800K
    MALLOC                             21.8M
    MALLOC guard page                    48K
    STACK GUARD                        56.0M
    Stack                              10.0M
    VM_ALLOCATE                          84K
    __CI_BITMAP                          80K
    __DATA                             12.9M
    __IMAGE                             528K
    __LINKEDIT                         49.1M
    __TEXT                             94.4M
    __UNICODE                           544K
    mapped file                        29.8M
    shared memory                       312K
    ===========                      =======
    TOTAL                             276.4M
    Model: MacBookPro4,1, BootROM MBP41.00C1.B03, 2 processors, Intel Core 2 Duo, 2.4 GHz, 4 GB, SMC 1.27f3
    Graphics: NVIDIA GeForce 8600M GT, GeForce 8600M GT, PCIe, 256 MB
    Memory Module: BANK 0/DIMM0, 2 GB, DDR2 SDRAM, 667 MHz, 0xCE00000000000000, 0x4D342037305435363633435A332D43453620
    Memory Module: BANK 1/DIMM1, 2 GB, DDR2 SDRAM, 667 MHz, 0xCE00000000000000, 0x4D342037305435363633435A332D43453620
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8C), Broadcom BCM43xx 1.0 (5.10.131.36.15)
    Bluetooth: Version 4.0.8f17, 2 service, 11 devices, 1 incoming serial ports
    Network Service: smokerings, AirPort, en1
    Serial ATA Device: FUJITSU MHY2200BH, 200.05 GB
    Parallel ATA Device: MATSHITADVD-R   UJ-867
    USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0xfd400000 / 2
    USB Device: BRCM2046 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x1a100000 / 2
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x820f, 0x1a110000 / 3
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0230, 0x5d200000 / 3
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x5d100000 / 2

    You probably need to reinstall OS X, but try this first.
    Please read this whole message before doing anything.
    This procedure is a test, not a solution. Don’t be disappointed when you find that nothing has changed after you complete it.
    Step 1
    The purpose of this step is to determine whether the problem is localized to your user account.
    Enable guest logins* and log in as Guest. Don't use the Safari-only “Guest User” login created by “Find My Mac.”
    While logged in as Guest, you won’t have access to any of your personal files or settings. Applications will behave as if you were running them for the first time. Don’t be alarmed by this; it’s normal. If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin.
    Test while logged in as Guest. Same problem?
    After testing, log out of the guest account and, in your own account, disable it if you wish. Any files you created in the guest account will be deleted automatically when you log out of it.
    *Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
    Step 2
    The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, or by a peripheral device.
    Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Post for further instructions.
    Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.  The next normal boot may also be somewhat slow.
    The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
    Test while in safe mode. Same problem?
    After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of steps 1 and 2.

  • Looking for the Garbage Collection log files

    Hello,
    I am looking for the Garbage Collection log files which contain the GC events, like this:
    [GC 2095K->1709K(2160K), 0.0017628 secs]
    [Full GC 2161K->1018K(2276K), 0.0576353 secs]
    The server's GC is already configured accordingly:
    –verbose:gc
    I have examined the std_server<x>.out files at the work folder but can't see this info.
    My question is: Where would I find these files on the server?

    I can't find info in the format I know it not at dev_server* or std_server*.
    in std_server I see xml file like this:
    <gc type="scavenger" id="1" totalid="1" intervalms="0.000">
        <flipped objectcount="303111" bytes="24994248" />
        <tenured objectcount="0" bytes="0" />
        <refs_cleared soft="429" weak="4329" phantom="0" />
        <finalization objectsqueued="1711" />
        <scavenger tiltratio="50" />
        <nursery freebytes="497866672" totalbytes="524288000" percent="94" tenureage="10" />
        <tenured freebytes="1094921936" totalbytes="1098907648" percent="99" >
          <soa freebytes="1039977168" totalbytes="1043962880" percent="99" />
          <loa freebytes="54944768" totalbytes="54944768" percent="100" />
        </tenured>
        <time totalms="185.585" />
      </gc>
    I guess this is the info I need but it's not formatted in a way that your tool can read it and having a tool like this reading it is very helpful.
    Any ideas?

  • Revisited: static synchronized vs garbage collected

    A forum thread (http://forum.java.sun.com/thread.jsp?forum=4&thread=466049&start=0&range=15&hilite=false&q=) from last November addressed issues involving the relative merits of using static methods vs. the garbage collection issues that might attend conventional object instantiation. The discussion extended into use of synchronized code and threading, but from it, I've failed to gather an understanding of a few subtleties.
    I understand the dangers of using class-level variables within servlets, however, I'm still puzzled as to the thread-safety of 1) static class-level variables in servlets, and 2) using static methods residing in "utility" type classes from within servlets. I also realize these matters are not confined to servlets, but extend to any multi-threaded environment. I'm particularly unclear as to when, or if, the methods of the static class-level variable/objects need to be synchronized; with the same question applied to the static methods of the "utility" classes.
    From the forum thread mentioned above, it would seem that synchronization is NOT needed since parameters and method-level variables are specific to the executing threads. I believe this essentially means that static methods should not rely on the state of their containing class (under most applications). In a situation where the method's code is not trivial or "lightweight" (e.g. database access), would not the overhead associated with the swapping in and out of thread-specific variables lead to performance issues?
    My particular situation involves an ecommerce site running websphere. We are experiencing sporadic episodes where the VM starts running low on memory, will occasionally recover but will also occasionally crash. In pursuing this wild goose, my first suspicion was a thread deadlocking problem since it's not reliably reproducible. Most of the log entries point to a static method in one of these "utility" classes, yet I can find no non-static class level variables either in the utility or the servlet. However, none of these static methods are synchronized.
    Sorry for the ramble, and thanks for any help.
    Regards,
    Joe

    Because static variables, by their very nature, are only instantiated once, you MUST syncronise them to be safe in a multi threaded environment, otherwise you will get unexpected results.
    As you rightly mention, servlets also optimise the instantiation of class level variables and effectively make them static as well, so they are shared amongst all instaniations of a servlet.

  • Objects & garbage collection

    Hi. There is a question in scjp preparation and I wish to know more about the explained answer:
    Given:
    3. class Dozens {
    4. int[] dz = {1,2,3,4,5,6,7,8,9,10,11,12};
    5. }
    6. public class Eggs {
    7. public static void main(String[] args) {
    8. Dozens [] da = new Dozens[3];
    9. da[0] = new Dozens();
    10. Dozens d = new Dozens();
    11. da[1] = d;
    12. d = null;
    13. da[1] = null;
    14. // do stuff
    15. }
    16. }
    Which two are true about the objects created within main(), and eligible for garbage collection
    when line 14 is reached?
    A. Three objects were created
    B. Four objects were created
    C. Five objects were created
    D. Zero objects are eligible for GC
    E. One object is eligible for GC
    F. Two objects are eligible for GC
    G. Three objects are eligible for GC
    Answer:
    ® ✓ C and F are correct. da refers to an object of type "Dozens array," and each Dozens object
    that is created comes with its own "int array" object. When line 14 is reached, only the
    second Dozens object (and its "int array" object) are not reachable.
    Can anyone tell me why its mentioned that there are 5 objects are reported created here.
    Also doesn't defining the array of objects create the objects? E.g., in the line number 8, I see three element array is created, doenst this mean 3 objects are instantiated?
    Thanks

    >
    Also doesn't defining the array of objects create the objects? E.g., in the line number 8, I see three element array is created, doenst this mean 3 objects are instantiated?
    >
    What is your reasoning for thinking that creating a PLACE to hold three instances has ANYTHING to do with creating those instances?
    If you move three bar stools to the kitchen counter in your home does that automatically create a person sitting at each bar stool?
    If you create an egg carton that can hold a dozen eggs does that automatically create 12 eggs? If it did why do we need chickens?

  • Applescript: force garbage collection?

    Hello
    I am trying to call applescript functions (from my cocoa application - using NSAppleScript's -executeAndReturnError), to automate some operations in Microsoft Word.
    The problem is that after every Applescript call, the Word operates slower and slower (and i guess finally it won't respond at all). I am calling operations, like "set myvar to all words of current document whose [some conditional]" or "set myvar to all fields of current document whose [some conditional]" (which are memory consuming - on each call Word enumerates all the words of a long document, searches there some matches, etc), and i think that after each call of NSAppleScript's -executeAndReturnError, Word doesn't clean its previous "results", which slows it down with every next call. I wanted to try to do an explicit call of Applescript's garbage collector after each -executeAndReturnError from my Cocoa app, maybe that could eliminate the problem i have.
    But i didn't find any info on how to do that. Java, ActionScript - both have System.gc() functions (that launch Garbage collection if it's needed right here and right now). If theres no way to force garbage collecting in AppleScript, maybe someone knows "implicit ways", when AppleScript engine calls it? Like the next iteration of a loop, or some other conditions? Or some timespan, after passing which the GC is called?
    What could cause that slowness of Mac:Word? Is it a mistake of Microsoft, or am i forgetting to do something? If someone could advice readings about how applications usually implement Applescript interface "from the inside" (and who is responsible for cleaning the results of each call), i'd be very thankful.
    Thanks for any advice!
    George

    If you really want to see the results you should also run the finalizer
    thread on the newly garbage collected objects. It might take up to 2 GC
    cycles for the memory to be actually free for new allocation at least on
    the Sun JVMs. Maybe the new types of garbage collectors do it better or
    more optimized but anyway, the GC would first mark the objects and only
    then the finalizer will run to call the finalize method. Then next GC
    will free the memory of the finalized objects.
    HTH,
    Dejan
    Dinesh wrote:
    Hi Slava Imeshev,
    Thanks for immediate response. I agree JVM will do GC at specific interval. But,
    I have found that , there is some difference in both of them. If you invoke "Force
    Garbage Collection" explicitly, the graph will show the heap memory usage to baseline.
    Where in, if you perform System.gc(). It won't make much difference.
    Thus why, I want to know what is the code behind the "Force Garbage Collection"
    button.
    Thanks,
    -Dinesh.
    "Slava Imeshev" <[email protected]> wrote:
    "Dinesh" <[email protected]> wrote in message news:406a8df4$[email protected]..
    How can i schedule "Force Garbage Collection" to be done at every
    week or daily?.
    Can i automate this process instead of manually invoking the button?
    GC is already done by JVM automatically.
    Why would you want to "schedule" it?
    Regards,
    Slava Imeshev

  • Dreamweaver objc[2575]: garbage collection is OFF ... abort() called

    Dreamweaver quit unexpectedly. I was away using Safari at the time. Can anybody tell me what went on here?
    Sorry if this is idiotic... but why are there ftp calls in the midst of this? I hadn't been using Dreamweaver during the time prior. I'd just left it launched.
    and what is :
    (Thread 9)
    3  com.apple.carbonbundletemplate0x14d4d917 MMNetIO::RequestProcessor<MMNetIO::FTPNetChannel, MMNetIO::FTPNetChannel, MMNetIO::NetIOException>::MutexState::Wait() + 49
    4   com.apple.carbonbundletemplate 0x14d4dfd1 MMNetIO::RequestProcessor<MMNetIO::FTPNetChannel, MMNetIO::FTPNetChannel, MMNetIO::NetIOException>::ProcessRequests() + 81
    5   com.apple.carbonbundletemplate 0x14d4e3c9 MMNetIO::RequestProcessor<MMNetIO::FTPNetChannel, MMNetIO::FTPNetChannel, MMNetIO::NetIOException>::RequestProcessorTrampoline(void*) + 35
    My thanks to everyone!!!
    mastorer
    Crashed Thread:  10
    Exception Type:  EXC_CRASH (SIGABRT)
    Exception Codes: 0x0000000000000000, 0x0000000000000000
    Application Specific Information:
    objc[2575]: garbage collection is OFF
    terminate called throwing an exception
    abort() called
    Threads 0 - 7 same then...
    Thread 8:
    0   libsystem_kernel.dylib                  0x9647c83e __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x90593e78 _pthread_cond_wait + 914
    2   libsystem_c.dylib                       0x90593f7b pthread_cond_timedwait_relative_np + 47
    3   com.adobe.adobeswfl                     0x1751f3f7 APXGetHostAPI + 2599847
    4   com.adobe.adobeswfl                     0x176962b8 APXGetHostAPI + 4135528
    5   com.adobe.adobeswfl                     0x1751f51c APXGetHostAPI + 2600140
    6   com.adobe.adobeswfl                     0x1751f587 APXGetHostAPI + 2600247
    7   com.adobe.adobeswfl                     0x1751f6a6 APXGetHostAPI + 2600534
    8   libsystem_c.dylib                       0x9058fed9 _pthread_start + 335
    9   libsystem_c.dylib                       0x905936de thread_start + 34
    Thread 9:
    0   libsystem_kernel.dylib                  0x9647c83e __psynch_cvwait + 10
    1   libsystem_c.dylib                       0x90593e21 _pthread_cond_wait + 827
    2   libsystem_c.dylib                       0x9054442c pthread_cond_wait$UNIX2003 + 71
    3   com.apple.carbonbundletemplate          0x14d4d917 MMNetIO::RequestProcessor<MMNetIO::FTPNetChannel, MMNetIO::FTPNetChannel, MMNetIO::NetIOException>::MutexState::Wait() + 49
    4   com.apple.carbonbundletemplate          0x14d4dfd1 MMNetIO::RequestProcessor<MMNetIO::FTPNetChannel, MMNetIO::FTPNetChannel, MMNetIO::NetIOException>::ProcessRequests() + 81
    5   com.apple.carbonbundletemplate          0x14d4e3c9 MMNetIO::RequestProcessor<MMNetIO::FTPNetChannel, MMNetIO::FTPNetChannel, MMNetIO::NetIOException>::RequestProcessorTrampoline(void*) + 35
    6   libsystem_c.dylib                       0x9058fed9 _pthread_start + 335
    7   libsystem_c.dylib                       0x905936de thread_start + 34
    Thread 10 Crashed:
    0   libsystem_kernel.dylib                  0x9647c9c6 __pthread_kill + 10
    1   libsystem_c.dylib                       0x90591f78 pthread_kill + 106
    2   libsystem_c.dylib                       0x90582bdd abort + 167
    3   libc++abi.dylib                         0x9ccc2921 abort_message + 94
    4   libc++abi.dylib                         0x9ccc01bc default_terminate() + 36
    5   libc++abi.dylib                         0x9ccc01fe safe_handler_caller(void (*)()) + 15
    6   libc++abi.dylib                         0x9ccc0268 std::terminate() + 23
    7   libc++abi.dylib                         0x9ccc12a0 __cxa_throw + 112
    8   com.adobe.dreamweaver-11.5              0x00e9ce33 LException::Throw(long) + 83
    9   com.adobe.dreamweaver-11.5              0x00e57236 LArray::InternalAdjustAllocation(unsigned long, unsigned long) + 74
    10  com.adobe.dreamweaver-11.5              0x00e572a8 LArray::AdjustStorage(long, long) + 102
    11  com.adobe.dreamweaver-11.5              0x00e5785b LArray::AddItem(void const*, unsigned long) + 111
    12  com.adobe.dreamweaver-11.5              0x00df36c5 CPostedMessage::CPostedMessage(CWnd*, unsigned int, unsigned int, long) + 197
    13  com.adobe.dreamweaver-11.5              0x00df5e1f CWnd::PostMessage(unsigned int, unsigned int, long) + 79
    14  com.adobe.dreamweaver-11.5              0x00b1950c CodeViewTypingMonitorThread::MonitorThread() + 188
    15  com.adobe.dreamweaver-11.5              0x00b1953f CodeViewTypingMonitorThread::tramp(void*) + 17
    16  libsystem_c.dylib                       0x9058fed9 _pthread_start + 335
    17  libsystem_c.dylib                       0x905936de thread_start + 34
    etc

    You'll have to ask the people who make Dreamweaver.

  • Monitor garbage collection

    wondering what would be the way to monitor garbage collection process, like number of open file descriptors, objects creation, memory usage etc by JVM.
    any pointers are appreciated,
    thanks

    Third party software is great, but the easiest way to
    get GC info is directy from the VM itself, using
    switches.
    java -verbosegc MyMain
    Try it, it's fun. Oh if you need more info, just type
    the switch more then once.
    java -verbosegc -verbosegc MyMain
    Those crazy engineers..... gota love em. (It gives you
    more if you type it a third time... in case you were
    wondering, but that's the limit)
    SpinozaHi Spinoza,
    according to your instruction i ran the program with -verbosegc command. the out put is as follows...
    java -verbosegc test
    [GC 510K->181K(1984K), 0.0066506 secs]
    [GC 693K->342K(1984K), 0.0057084 secs]
    [GC 854K->489K(1984K), 0.0109063 secs]
    [GC 998K->581K(1984K), 0.0090856 secs]
    [GC 1093K->602K(1984K), 0.0073623 secs]
    [GC 1114K->738K(1984K), 0.0047804 secs]
    [GC 1249K->1063K(1984K), 0.0099846 secs]
    [GC 1562K->1528K(2112K), 0.0093059 secs]
    [Full GC 1528K->1506K(2112K), 0.1076427 secs]
    [GC 2015K->1998K(3088K), 0.0055318 secs]
    [GC 2487K->2470K(3088K), 0.0060814 secs]
    [GC 2981K->2963K(3600K), 0.0060281 secs]
    [Full GC 2963K->2963K(3600K), 0.1152215 secs]
    [GC 3632K->3615K(5516K), 0.0053477 secs]
    [GC 4125K->4119K(5516K), 0.0052388 secs]
    [GC 4619K->4596K(5516K), 0.0063873 secs]
    [GC 5107K->5087K(5644K), 0.0086590 secs]
    [Full GC 5087K->5087K(5644K), 0.1233247 secs]
    [GC 5706K->5680K(9152K), 0.0545960 secs]
    [GC 6313K->6158K(9152K), 0.0090305 secs]
    [GC 6798K->6367K(9152K), 0.0113269 secs]
    [GC 7007K->6397K(9152K), 0.0043400 secs]
    [GC 7037K->6427K(9152K), 0.0022167 secs]
    [GC 7131K->6588K(9152K), 0.0072012 secs]
    [GC 7207K->7128K(9152K), 0.0101116 secs]
    [GC 7752K->7725K(9152K), 0.0083363 secs]
    [GC 8351K->8328K(9152K), 0.0073818 secs]
    [GC 8964K->8940K(9664K), 0.0076883 secs]
    [Full GC 8940K->4632K(9664K), 0.1903230 secs]
    [GC 5269K->5257K(9152K), 0.0057223 secs]
    [GC 5890K->5876K(9152K), 0.0179900 secs]
    [GC 6506K->6481K(9152K), 0.0070621 secs]
    [GC 7116K->7087K(9152K), 0.0076863 secs]
    [GC 7727K->7668K(9152K), 0.0248874 secs]
    [GC 8281K->8135K(9152K), 0.0103799 secs]
    [GC 8756K->8722K(9408K), 0.0075765 secs]
    [Full GC 8722K->3251K(9408K), 0.3584338 secs]
    [GC 3867K->3847K(9152K), 0.0058058 secs]
    [GC 4484K->4461K(9152K), 0.0074072 secs]
    [GC 5096K->5083K(9152K), 0.0066087 secs]
    [GC 5720K->5707K(9152K), 0.0060539 secs]
    [GC 6331K->6304K(9152K), 0.0073750 secs]
    [GC 6935K->6907K(9152K), 0.0081022 secs]
    [GC 7523K->7496K(9152K), 0.0074461 secs]
    Can you explain the syntax [GC 7523K->7496K(9152K), 0.0074461 secs] What does it mean?
    Regards
    SAM

  • Hotspot core dumping during JVM garbage collection ?

    We have an application which calls a 3rd party supplied server API which has recently been upgraded to use Java 1.5
    We are getting the following error reported by our client application. The application is also now running Java 1.5 but references many classes in jar files which would have quite old code in.
    The supplier of the API has stated that the problem requires us to recompile all our jar files using v 1.5 ( including things like jconnect and jms ?!?!? ). This sounds like a bit of a cop-out to me, not to mention being impossible since we don't have the source for things like jconnect.
    I suspect that there is a garbage collection problem at the bottom of all this, but I'm not sure how I can "prove" this, nor do I currently have any real clue as to how to fix any GC problem that may exist.
    The application is supposed to wait for a message on a MQSeries queue and then transforms it via Xalan XSLT and sends it to a Server application. I've tried playing around with heap sizes etc but that just seems to make it worse. If I leave it at the settings that the previous version used then the client at least manages to process a couple of messages before core dumping. There doesn't seem to be a consistent trigger event to cause the core dump ( it's not a message arriving on a queue for example ) but it does seem to be fairly consistent timewise, i.e. after
    Any ideas gratefully accepted.
    Here's a logfile excerpt from my applications showing the Hotspot error message :
    =====================================================================================
    08-Jul-2008 10:01:05 Waiting for messages from COLT.BBFS
    08-Jul-2008 10:02:05 Waiting for messages from COLT.BBFS
    08-Jul-2008 10:03:05 Waiting for messages from COLT.BBFS
    405.815: [GC [PSYoungGen: 17331K->9244K(37632K)] 111702K->103615K(192128K), 0.1615910 secs]
    405.977: [Full GC#
    # An unexpected error has been detected by HotSpot Virtual Machine:
    #  SIGBUS (0xa) at pc=0xfe141348, pid=2600, tid=8
    # Java VM: Java HotSpot(TM) Server VM (1.5.0_03-b07 mixed mode)
    # Problematic frame:
    # V  [libjvm.so+0x141348]
    # An error report file with more information is saved as hs_err_pid2600.log
    # If you would like to submit a bug report, please visit:
    # http://java.sun.com/webapps/bugreport/crash.jsp
    =====================================================================================
    The logfile referred to in the error message contains the following.
    =====================================================================================
    # An unexpected error has been detected by HotSpot Virtual Machine:
    # SIGBUS (0xa) at pc=0xfe141348, pid=2600, tid=8
    # Java VM: Java HotSpot(TM) Server VM (1.5.0_03-b07 mixed mode)
    # Problematic frame:
    # V [libjvm.so+0x141348]
    --------------- T H R E A D ---------------
    Current thread (0x001484d8): VMThread [id=8]
    siginfo:si_signo=10, si_errno=0, si_code=1, si_addr=0x0000080f
    Registers:
    O0=0x00487588 O1=0xfe7d6454 O2=0x000079b0 O3=0x00007800
    O4=0x00008868 O5=0x00147d48 O6=0xf8781460 O7=0xfe0f7938
    G1=0xe52aaae8 G2=0x00000003 G3=0x00000003 G4=0x001484d8
    G5=0xf8781d98 G6=0x00000002 G7=0xf8781d98 Y=0x805683e2
    PC=0xfe141348 nPC=0xfe14134c
    Top of Stack: (sp=0xf8781460)
    0xf8781460: fe786000 00c6ba20 fe10013c e54bab68
    0xf8781470: 0000080f e54bab6c 0000080f 00000004
    0xf8781480: 00487588 00000134 e54bab6c 00000004
    0xf8781490: 00000001 00000000 f87814c0 fe17aef4
    0xf87814a0: fe6485b4 fe7d899c 001484d8 0011da40
    0xf87814b0: 00148988 00148c10 00148d7c f8781880
    0xf87814c0: 007c3389 007c3c0e 00000f87 00008868
    0xf87814d0: 00008800 00487588 fe141310 fe7d6454
    Instructions: (pc=0xfe141348)
    0xfe141338: ec 06 c0 1a 80 a5 a0 00 22 40 00 0a ba 07 60 01
    0xfe141348: f2 05 a0 00 ae 0e 60 03 80 a5 e0 03 22 40 00 05
    Stack: [0xf8702000,0xf8781d98), sp=0xf8781460, free space=509k
    Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
    V [libjvm.so+0x141348]
    V [libjvm.so+0x17aefc]
    V [libjvm.so+0x2d557c]
    V [libjvm.so+0x300ef8]
    V [libjvm.so+0x301e84]
    V [libjvm.so+0x2ff950]
    V [libjvm.so+0x29df30]
    V [libjvm.so+0x362b44]
    V [libjvm.so+0x6436f0]
    VM_Operation (0xe03012b0): parallel gc system gc, mode: safepoint, requested by thread 0x0031bca0
    --------------- P R O C E S S ---------------
    Java Threads: ( => current thread )
    0x00b2c028 JavaThread "Thread-4" [_thread_in_native, id=85]
    0x007f5048 JavaThread "Thread-0" [_thread_blocked, id=84]
    0x00c27cf0 JavaThread "Notification Delivery" [_thread_blocked, id=81]
    0x0026fa08 JavaThread "RMI LeaseChecker" daemon [_thread_blocked, id=73]
    0x00821048 JavaThread "RMI RenewClean-[162.11.2.32:44425]" daemon [_thread_blocked, id=70]
    0x0031bca0 JavaThread "GC Daemon" daemon [_thread_blocked, id=67]
    0x00cd5d28 JavaThread "RMI Reaper" [_thread_blocked, id=66]
    0x003c9300 JavaThread "Timer-0" daemon [_thread_blocked, id=65]
    0x00929fe0 JavaThread "RMI TCP Accept-0" daemon [_thread_in_native, id=64]
    0x0089bf18 JavaThread "SeedGenerator Thread" daemon [_thread_blocked, id=42]
    0x00c47248 JavaThread "Pool thread #7" daemon [_thread_blocked, id=38]
    0x00c466a0 JavaThread "Pool thread #6" daemon [_thread_blocked, id=37]
    0x00311850 JavaThread "Pool thread #5" daemon [_thread_blocked, id=36]
    0x00287a40 JavaThread "Pool thread #4" daemon [_thread_blocked, id=35]
    0x00286e98 JavaThread "Pool thread #3" daemon [_thread_blocked, id=34]
    0x00c134b0 JavaThread "Pool thread #2" daemon [_thread_blocked, id=33]
    0x00ad09e0 JavaThread "Pool thread #1" daemon [_thread_blocked, id=32]
    0x00286cd8 JavaThread "PoolThreadManager" daemon [_thread_blocked, id=31]
    0x00c129e0 JavaThread "Channel Reaper" daemon [_thread_blocked, id=30]
    0x00c669e8 JavaThread "ORB Daemon Thread" daemon [_thread_blocked, id=29]
    0x00b10170 JavaThread "Worker for ServerProtocol: (iiop) /0.0.0.0:20168" daemon [_thread_blocked, id=22]
    0x008a17e0 JavaThread "Syn~ Client" daemon [_thread_blocked, id=21]
    0x003dc378 JavaThread "PoolScavenger0" daemon [_thread_blocked, id=20]
    0x0015a928 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=15]
    0x00159880 JavaThread "CompilerThread1" daemon [_thread_blocked, id=14]
    0x00158a18 JavaThread "CompilerThread0" daemon [_thread_blocked, id=13]
    0x00157b98 JavaThread "AdapterThread" daemon [_thread_blocked, id=12]
    0x00156dc8 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=11]
    0x0014ccd8 JavaThread "Finalizer" daemon [_thread_blocked, id=10]
    0x0014ad90 JavaThread "Reference Handler" daemon [_thread_blocked, id=9]
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    0x0015c3b0 WatcherThread [id=16]
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    [0x00033650/0x00037ba8] Heap_lock - owner thread: 0x0031bca0
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    PSYoungGen total 37632K, used 9244K [0xf2eb0000, 0xf7ba0000, 0xf8400000)
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    from space 9280K, 99% used [0xf4a60000,0xf5367080,0xf5370000)
    to space 25216K, 0% used [0xf6300000,0xf6300000,0xf7ba0000)
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    object space 154496K, 61% used [0xe8400000,0xee028e78,0xf1ae0000)
    PSPermGen total 35584K, used 18260K [0xe4400000, 0xe66c0000, 0xe8400000)
    object space 35584K, 51% used [0xe4400000,0xe55d5158,0xe66c0000)
    Dynamic libraries:
    0x00010000      /dsdvlp/java/jvm/jdk1.5.0_03/bin/java
    0xff350000      /usr/lib/libthread.so.1
    0xff340000      /usr/lib/libdl.so.1
    0xff200000      /usr/lib/libc.so.1
    0xff390000      /usr/platform/SUNW,Sun-Fire-880/lib/libc_psr.so.1
    0xfe000000      /dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/server/libjvm.so
    0xff1e0000      /usr/lib/libsocket.so.1
    0xff2d0000      /usr/lib/libsched.so.1
    0xff1b0000      /usr/lib/libCrun.so.1
    0xff160000      /usr/lib/libm.so.1
    0xff080000      /usr/lib/libnsl.so.1
    0xff060000      /usr/lib/libmp.so.2
    0xff030000      /dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/native_threads/libhpi.so
    0xfdfc0000      /dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/libverify.so
    0xfdf80000      /dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/libjava.so
    0xfdf50000      /dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/libzip.so
    0xfb7e0000      /usr/lib/locale/en_GB.ISO8859-1/en_GB.ISO8859-1.so.2
    0xe4190000      /dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/libnet.so
    0xe3bd0000      /dsdvlp/lib/5/libSolarisNatives.so
    0xe3e90000      /dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/librmi.so
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    CLASSPATH=.:/dsdvlp/java/jar/jconnect520.jar:/dsdvlp/java/jar/vbjapp340.jar:/dsdvlp/java/jar/vbjorb340.jar:/dsdvlp/java/jar/javax_jndi120.jar
    PATH=/usr/local/etc:/usr/lang:/usr/openwin/bin:/usr/ucb:/bin:/usr/etc:/usr/local/5/bin:/dsdvlp/bin/5:/dsdvlp/bin/4:/home/app/sybase/5/bin:/home/app/sybase/5/localscripts:/home/app/sybase/5/sqr:/home/app/lang:/home/app/lang/SC2.0.1:/usr/ccs/bin:/usr/local/opt/Acrobat3/bin:/dsdvlp/bin:.
    LD_LIBRARY_PATH=/dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc/server:/dsdvlp/java/jvm/jdk1.5.0_03/jre/lib/sparc:/dsdvlp/java/jvm/jdk1.5.0_03/jre/../lib/sparc:/usr/lib:/usr/openwin/lib:/usr/local/5/lib:/dsdvlp/lib/5:/dstest/lib/5:/home/app/sybase/5/lib:/dstest/cats/sun4/lib:/tmitest/Opus/opus/lib
    SHELL=/bin/csh
    DISPLAY=CLI00184.mfil.local:1.0
    OS=5
    --------------- S Y S T E M ---------------
    OS: Solaris 8 2/02 s28s_u7wos_08a SPARC
    Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
    Assembled 18 December 2001
    uname:SunOS 5.8 Generic_117350-20 sun4u (T1 libthread)
    rlimit: STACK 8192k, CORE 9216k, NOFILE 4096, AS infinity
    load average:2.24 2.67 2.68
    CPU:total 4 has_v8, has_v9, has_vis1, has_vis2, is_ultra3
    Memory: 8k page, physical 8388608k(166384k free)
    vm_info: Java HotSpot(TM) Server VM (1.5.0_03-b07) for solaris-sparc, built on Apr 13 2005 03:31:26 by unknown with unknown Workshop:0x550

    The very first suggestion I have is to move your VM to a more recent update of 1.5.0.
    It looks like you are crashing with 5.0u3, and I'm pretty sure 5.0u16 is available. You
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