Flash Builder 4.5 Hangs When Loading Large Projects

I recently upgraded from Flash Builder 4.0 to Flash builder 4.5. I am running the 32 bit version of Eclipse Helios on windows 7, 64 bit. I have installed the latest 32 bit Java build, jdk1.6.0_25
Smaller projects and libraries appear to build and run fine. However when I attempt to load my main application, which is quite large, Eclipse Hangs for several minutes. Occasionally it will return after some time, but as soon as I move the mouse cursor again it hangs again. The last attempt had 1.8 Gigs of memory allocated to the eclipse process before I killed it.
Some other things I have noticed.
*) 4.5 does appear to be more sluggish for me generally than 4.0 for the demo apps I have built to test weather or not the install is working
*) If I do not attempt to actually open any files, I am able to clean the project and have it produce an executable
*) I have "build automatically" turned off, the problem does not seem to be initiated by the build. The problem seems to be something to do with loading large mxml files or files which include large mxml files.
*) The log files only complain about Eclipse being closed improperly (from me killing it aftter a prolonged hang) and about a collision with the ctrl+shift+G key combination
*) I have reverted to the original 4.0 plugin and the project still builds fine
*) Opening the stand alone flash builder 4.5 and pointing it at the same projects that work in 4.0 yields the same hanging symptoms as the 4.5 plugin version
*) I have juiced up my Eclipse memory settings and confirmed that they work quite well for my 4.0 build. My Eclipse.ini looks like:
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256m
-startup
plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.1.R36x_v20100810
-product
org.eclipse.epp.package.java.product
--launcher.defaultAction
openFile
--launcher.defaultAction
openFile
-vm
c:/Program Files (x86)/Java/jdk1.6.0_25/bin/javaw.exe
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms1024m
-Xmx1024m
-XX:PermSize=256m
-XX:MaxPermSize=256m
I am really interested in several of of the new 4.5 features. Any comments / suggestions welcome. I am out of ways I know how to trouble shoot this short of rebuilding my app up from scratch by adding components one at a time, which would take a very long time.
If it would be at all helpful, I would be happy to drop by the San Francisco office with my laptop to trouble-shoot this
-Chris.

When I run the application in the memory profiler under FB 4.0 it takes
about 80MB of RAM peak.
I can not get the app to launch out of FB 4.5.
I have reproduced this issue on two different machines running only Eclipse
both stand alone and the plugin versions.
My machine has 4GB of RAM, my typical usage is less than 2GB.
Right now with FB 4.0 I am working on the problem project and a few sample
projects and Eclipse is consuming about 600MB which seems normal to me.
The confusing thing for me is that everything works fine and is responsive
with FB 4.0 and the issue does not seem to be actually compiling the
application, rather it has something to do with how FB is parsing my source
code that causes the hang. Almost like somehow a circular dependency check
that used to work is now failing or something like that.
I am not sure how to find out what FB 4.5 is hanging on precisely. I can only
see that the logs look normal and memory usage climbs out of sight while it
is hanging.
-Chris

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FCPX 10.0.7 hangs when loading multiple projects - a non-destructive work around

FCPX 10.0.7 hangs when loading multiple projects - a non-destructive work around....
Hi Guys, I upgraded from FCPX 10.0.6 to 10.0.78 and discovered to my immense frustration that many of my 100+ FCPX projects would not load.
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"FINAL CUT EVENTS" and "FINAL CUT PROJECTS" on a single file system on SAS 16TB disk array (768MB/sec read via AJA system test) and 60% utilised capacity… FCP EVENTS has 400 events in it .. some 5.2TB of Prores essence etc .. all works fine! (i.e. the storage system is first class and is NOT the issue)
32GB of RAM on MAC PRO 2009 Nehalem 16 x Vcore with ATI 5780 card and ATTO HBA's (i.e. plenty of resources!)
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After experiencing above, I restored the FCPX EVENTS LIbrary of that file system from LTO4 tape archive (BRU-PE ) and still had the same issues as above.
WORKAROUND:
FORCEd QUIT FCPX V10.0.7
RENAMEd "/volumes/some_file_system_volume/Final Cut Projects" to "/volumes/some_file_system_volume/Final Cut Projects_original"
created (make) a new "/volumes/some_file_system_volume/Final Cut Projects" (use finder)
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select the project you just added above and RELINK any objects it needs. Thumbnails and proxies will be rendered again.. just be patient
wait until ALL the rendering as stopped.
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use DISK WARRIOR or TT PRO 6 to make sure that the file system volume where your "/volumes/some_file_system_volume/Final Cut Projects" are is physically ok. I noticed some entries in file system's volume table that represented objects in "/volumes/some_file_system_volume/Final Cut Projects" were at fault when I used these utilities… FWIW.
SUMMARY: yes this took ages to d, however luckily I had everything in at least 3 instances in an archive which has saved me many time in the old FCP& and prior days… it was just a matter of time to put it back together.
I put this outage down to may be my own impatience when I first fired up FCPX 10.0.7 after the upgrade.
I'm interested if this workaround is helpful to others and in addtiion if others have a more satisfactory remedy.
HTH
warwick
Hong Kong

Hi Eb, yeah I could not see any "memory leak" or unusual consumption of REAL memory whose less availability would cause excessive PAGEing and SWAPping as seen in the Activty Monitor.app
I watch this carefully especially the use of REAL MEMORY by 3rd Paryy apps. BTW there are a few that cause ALLOCATED but NOT USED memory (blue in the A.M.app UI). Simply a unix PURGE command can release that memory and help clean up the PAGE and VM swap files (its alleged!).
Yes, you may be might with the element of "Luck" involved. I would add though, that having MULTIPLE project displaying in the STORYLINE window and loading always caused my FCP 10.0.7 jam up at startup with h symtoms and observations I described.
TIP: I might also add that for a super speedy launch of FCPX one may also emply setting each PROJECT's UI to show only AUDIO thus negating the need to contstruct or reneder out a PREVIEW ui in each clip in the storyline.
Your/Apples suggestion of the movememt (rename) of "Final Cut Pro Projects" to "Final Cut Pro Projects Hidden" is similar to what I proposed above to stop FCPX 10.0.7 accessing and building it up at startup. This workaround has been useful inthe past as well.
ALso one might also get the stick out and remove (delete/rm) the ~/Library/Saved Application State/com.apple.FinalCut.savedState in one's home ~/Library so that FCPX wont do such a neat job reinstating FCPX last time you crashed it... This has been helpful also in diagnosing my issues.
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impatience clicking on the FCPX UI when in the unstable state causes it to lock up with NO visible CPU% busy.... as if its waiting on something which is usually me MEMTERMing it via FORCE QUIT and
the projects where I have employed the NEAT VIDEO Noise Reduction OEM filter for FCPX seem to exasserbate the PROJECT loading issues when several PROJECTS are available at FCPX startup time.
As of yesterday I have some 400+ EVENTS Final Cut Pro Events and 130+ projects of varying compexites in a single file system on Final Cut Pro Projects all working fine and as good as gold again!
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Yes, I did. Thanks for the tip though.
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