Swing client hangs for ever

The swing client is hanging for ever with the following trace. Kindly provide me any information you may be having related to this issue. Thanks much.
java.lang.Object.wait(Native Method)
java.lang.Object.wait(Unknown Source)
javax.swing.text.AbstractDocument.readLock(Unknown Source)
javax.swing.plaf.basic.BasicTextUI.getPreferredSize(Unknown Source)
javax.swing.JComponent.getPreferredSize(Unknown Source)
javax.swing.JEditorPane.getPreferredSize(Unknown Source)
java.awt.GridBagLayout.GetLayoutInfo(Unknown Source)
java.awt.GridBagLayout.getLayoutInfo(Unknown Source)
java.awt.GridBagLayout.preferredLayoutSize(Unknown Source)
java.awt.Container.preferredSize(Unknown Source)
java.awt.Container.getPreferredSize(Unknown Source)
javax.swing.JComponent.getPreferredSize(Unknown Source)
java.awt.BorderLayout.preferredLayoutSize(Unknown Source)
java.awt.Container.preferredSize(Unknown Source)
java.awt.Container.getPreferredSize(Unknown Source)
javax.swing.JComponent.getPreferredSize(Unknown Source)
javax.swing.JRootPane$RootLayout.preferredLayoutSize(Unknown Source)
java.awt.Container.preferredSize(Unknown Source)
java.awt.Container.getPreferredSize(Unknown Source)
javax.swing.JComponent.getPreferredSize(Unknown Source)
java.awt.BorderLayout.preferredLayoutSize(Unknown Source)
java.awt.Container.preferredSize(Unknown Source)
java.awt.Container.getPreferredSize(Unknown Source)
java.awt.Window.pack(Unknown Source)

Hi,
pack() is not getting called from event dispatch thread. This is getting called from a modal dialog which tries to display itself from the constructor of it.
At this time the EventQueue thread is having the following trace,
Thread::: Thread[AWT-EventQueue-2,6,javawsApplicationThreadGroup]
java.awt.Component.invalidate(Unknown Source)
java.awt.Container.invalidate(Unknown Source)
javax.swing.JComponent.revalidate(Unknown Source)
javax.swing.plaf.basic.BasicTextUI$RootView.preferenceChanged(Unknown Source)
javax.swing.text.View.preferenceChanged(Unknown Source)
javax.swing.text.BoxView.preferenceChanged(Unknown Source)
javax.swing.text.View.preferenceChanged(Unknown Source)
javax.swing.text.BoxView.preferenceChanged(Unknown Source)
javax.swing.text.View.preferenceChanged(Unknown Source)
javax.swing.text.BoxView.preferenceChanged(Unknown Source)
javax.swing.text.View.preferenceChanged(Unknown Source)
javax.swing.text.View.preferenceChanged(Unknown Source)
javax.swing.text.GlyphView.changedUpdate(Unknown Source)
javax.swing.text.LabelView.changedUpdate(Unknown Source)
javax.swing.text.html.InlineView.changedUpdate(Unknown Source)
javax.swing.text.View.forwardUpdateToView(Unknown Source)
javax.swing.text.FlowView$LogicalView.forwardUpdateToView(Unknown Source)
javax.swing.text.View.forwardUpdate(Unknown Source)
javax.swing.text.View.changedUpdate(Unknown Source)
javax.swing.text.FlowView.changedUpdate(Unknown Source)
javax.swing.text.ParagraphView.changedUpdate(Unknown Source)
javax.swing.text.View.forwardUpdateToView(Unknown Source)
javax.swing.text.View.forwardUpdate(Unknown Source)
javax.swing.text.BoxView.forwardUpdate(Unknown Source)
javax.swing.text.View.changedUpdate(Unknown Source)
javax.swing.text.html.BlockView.changedUpdate(Unknown Source)
javax.swing.text.View.forwardUpdateToView(Unknown Source)
javax.swing.text.View.forwardUpdate(Unknown Source)
javax.swing.text.BoxView.forwardUpdate(Unknown Source)
javax.swing.text.View.changedUpdate(Unknown Source)
javax.swing.text.html.BlockView.changedUpdate(Unknown Source)
javax.swing.plaf.basic.BasicTextUI$RootView.changedUpdate(Unknown Source)
javax.swing.plaf.basic.BasicTextUI$UpdateHandler.changedUpdate(Unknown Source)
javax.swing.text.AbstractDocument.fireChangedUpdate(Unknown Source)
javax.swing.text.html.HTMLDocument.fireChangedUpdate(Unknown Source)
javax.swing.text.DefaultStyledDocument$ChangeUpdateRunnable.run(Unknown Source)
java.awt.event.InvocationEvent.dispatch(Unknown Source)
java.awt.EventQueue.dispatchEvent(Unknown Source)
And, whenever a client hang happens I am seeing both the stack traces in the thread dump.

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The query HANGS for ever!

hi,
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thank u for the reply.
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Skype Windows client hangs for the first call - co...

Hi,
Skype on my Windows 8.1 (depending on its mood) hangs for the first call. It will keep ringing and ringing till it times out, during that time I am not able to hang up the call as well, the red hang up button doesnt work and we have to let the call go on till it drops on its own. Then on the second try it connects perfectly fine. This happens most of the times, there are only a few days where it connects on the first try otherwise its always the 2nd time.
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Hi Marcin,
This forum is mainly for talk about the product use related issue and not the best place to talk about the develop issue, for the develop issue we can post in MSDN forum for
the further help and your issue may need capture a dump then for the further analysis it is not an efficient way to work in this community since we may need more resources which is not appropriate to handle in the community. I‘d like to suggest that you submit
a service request to MS Professional tech support service so that a dedicated Support Professional can further assist with this request.
MSDN forum
https://social.msdn.microsoft.com/Forums/en-US/home
Please visit the below link to see the various paid support options that are available to better meet your needs.
http://support.microsoft.com/default.aspx?id=fh;en-us;offerprophone
Thanks for your understanding and support.
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

Brand new 27'' i5 iMac hangs for ever at the apple screen

After 10 days of normal usage, by brand new iMac 27'' i5 started to hang during startup (rotating cursor at the apple screen). I found unreparable errors with Disk Utility, erased and re-formatted disk with zeros and reinstalled Mac OS X snow leopard. The iMac worked for a short period but soon after restarting gave the same problem of hanging at startup and unreparable disk errors. Resetting SMC and PRAM made the situation only worse since the Mac OS X startup disk refused to eject or operate (pressing C at startup). My only contact with the iMac (the slow DVD player) was now unreachable, too
I contacted Apple Call Center in Greece and asked them if I could return this faulty iMac (Dead On Arrival, DOA) with a new one, since I don't want any Service Center fiddling with a brand new, expensive but faulty iMac, that could soon give the same or worse problems. They told me that it is not Apple's policy in many countries(??) to replace DOA Apple machines.
I was wondering if this is true in other countries and whether Apple would play with it's own reputation by forcing users to "live" with "faulty in the box" Apple computers.
I'm very sad since I paid 2000 euros and the only thing I got is all this aggrevation!!
Any help or information and similar experiences would be appreciated.

Hi I posted this reply on another topic today re freezing and hanging imac but it seems to have gone missing so I am posting this copy now so you will see what I have done. I have had the same freezing/hang problems. My imac is ok for a few minutes and then freezes. So after a lot of frustration I brought it to an Apple agent on 16th December. He could not find any obvious problem so he rebuilt directories with disk warrior and it worked perfecttly until the 24th December
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Outlook Client hangs for some Time

Hi All
I have a small network with 1 Exchange Server 2010 having This Version
Exchange Server 2010
Microsoft Corporation
Version: 14.02.0387.000
70 Client computers with 50 Directly connected with in the intranet and rest of them are mobile and are connected using exchange outlook proxy
Computers within the LAN from past Few days are stuck for some Moments
Client specs are Win8.1 Pro with Office 2007 Eset endpoint Sec
Some cleints with XP are fine I think that this issue is with server rather than the client
Kindly Update

Hi,
How many users encounter this issue? Does the issue only happens to Win8.1 with Outlook 2007 client?
Please make sure the latest patches and service packs are installed for your Outlook client. Please make sure you are using Exchange Cached mode in Outlook. We can click Send/Receive > Send/Receive All Folders to check whether there is any Errors shown
in the Outlook Send/Receive Process window, please collect the complete error descriptions and post it here for further analysis.
Additionally, please test the problematic account in Win8.1 with Outlook 2013/2010 to check whether the issue persists. Also start Outlook in safe mode (Start > Run > type Outlook /safe and enter) in the original computer to have a try.
Regards,
Winnie Liang
TechNet Community Support

Outlook 2007 Hangs for ever

I just installed OS5 on my IPhone 4.
Bad News.
Lost all my sent mail
Lost all my Music.
Lost Pictures that I had in diffrent folder names.
Then I loaded iCloud on my PC windows 7 outlook 2007 hung forever.
This all has the feel of Microsoft Bugs out the box Software not the the feel Apple safe software.
Maybe Apple's days of good software is being pushed by Google!!!!
Good news
Like the zoom on the camera but its at the cost of image resolution.
No stars for this bit of code!!

Step 1: Disable the addins in Outlook 2007:
On the Tools menu, click Trust Center, and then click Add-ins.
In the Add-ins box, identify the add-in that you want to enable or disable and note the Add-in type located in the Type column.
Select the Add-in type in the Manage box and then click Go.
Select or clear the check box for the Add-in that you want enable or disable and then click OK.
Step 2: If you have bigger PST/OST files then it may take a while to load - during the time, it may become unresponsive. Just for testing, remove the PST file and reopen the
Step 3: Also you can try opening the Outlook in Online mode (if you currently use Outlook in Cached mode)
Step 4: Make sure Outlook 2007 is updated with Service Pack 2 - its known for performance improvements. FYI: you can refer the following blogpost: http://blogs.msdn.com/deva/archive/2009/04/28/download-microsoft-office-suite-service-pack-2.aspx
Step 5: You can control the running add-ins - which needs to run: By default, Outlook allows any installed add-in to run. You can restrict Outlook to run only those add-ins that are digitally signed by applying the Warnings for signed macros; all unsigned macros are disabled setting to add-ins, as follows:
On the Tools menu, click Trust Center.
In the left pane, click Macro Security.
Click Warnings for signed macros; all unsigned macros are disabled.
In the left pane, click Add-ins.
Select the Apply macro security settings to installed add-ins check box.
You can try the above steps and let me know whether this resolves the issue or not?
DeVa, M.S., {MSFT}

Ever since installing on my 64bit Windows 7 install, Firefox has continually gotten more sluggish as time moves on, hangs for 10-15 secs at a time and just gets worse over time with the updates and everything.

Ever since installing on my 64bit Windows 7 install, Firefox has continually gotten more sluggish as time moves on, hangs for 10-15 secs at a time and just gets worse over time with the updates and everything. It was fast when I first installed, but over the last six mos has slown to a crawl.

upgrade your browser to Firefox 8 and try
* getfirefox.com

Deinstall Oracle 11g client hangs on Windows 7 Enterprise 64-bit

Hi,
I am trying to dinstall Oracle 11g client on Windows 7 Enterprise 64-bit but the process hangs when it reaches the following:
Removing Windows and .NET products configuration START
It just hangs there for ever!
Checking the log file C:\Program Files\Oracle\Inventory\logs\winprod_cleanup.out and I can see the last thing in there is ""Deconfiguring ODP.NET Component...""
Any idea what could be the reason?
Thanks,
Firas
Edited by: user10442582 on Apr 13, 2011 1:13 PM
Edited by: user10442582 on Apr 13, 2011 1:15 PM
Edited by: user10442582 on Apr 13, 2011 1:28 PM

I was able to resolve it...Apparently I was logged on as administrator when I invoked deinstall which caused it to hang when it came to the part where it was getting ready to deinstall the .NET components...I logged off and loged in as myself and invoked the deinstall and it completed successfully...

Close() over NFS hangs for 15 seconds on NAS 5320

Summary: We are experiencing long pauses waiting for files to close on NAS 5320.
Hardware:
NFS Server: 5320 NAS S/N ST5320200609190020 Version 4.20 M0 (Build 78)
NFS Clients: SunOS 5.10 Generic_118833-17 sun4u sparc SUNW,Sun-Fire-V240
SunOS mnemo 5.6 Generic_105181-20 sun4u sparc SUNW,Ultra-4
(Various other Solaris & Linux clients)
Symptom:
User copies a tiny file using "cp". The "cp" program hangs for 15 seconds before
normal exit and successful completion. Running "truss" on the "cp" command
reveals that the copy happens nearly instantaneously, and the program goes into
a sleep state waiting for the close() of the output file.
The problem is reproducible regardless of whether the filesystem is NFS hard
mounted or automounted. The problem seems to occur most often if the output
file being written previously existed under the same name, was recently deleted,
and is being recreated by the copy operation.
The problem is reproducible from every NFS client I've tried, both Solaris and Linux.
The problem is only exhibited for filesystems served by the NAS 5320.
Here's a typical truss output exhibiting the behavior. The 15-second hang occurs
after truss prints the line that says "close(4) (sleeping...)":
touch ../../xx ; rm ../../xx
truss cp -p trav_op.c ../../xxexecve("/bin/cp", 0xEFFFF738, 0xEFFFF74C) argc = 4
open("/dev/zero", O_RDONLY) = 3
mmap(0x00000000, 8192, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xEF7B0000
open("/usr/openwin/lib/libc.so.1", O_RDONLY) Err#2 ENOENT
open("/usr/lib/libc.so.1", O_RDONLY) = 4
fstat(4, 0xEFFFF2D4) = 0
mmap(0x00000000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE, 4, 0) = 0xEF7A0000
mmap(0x00000000, 704512, PROT_READ|PROT_EXEC, MAP_PRIVATE, 4, 0) = 0xEF680000
munmap(0xEF714000, 57344) = 0
mmap(0xEF722000, 28504, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 598016) = 0xEF722000
mmap(0xEF72A000, 2664, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0xEF72A000
close(4) = 0
open("/usr/openwin/lib/libdl.so.1", O_RDONLY) Err#2 ENOENT
open("/usr/lib/libdl.so.1", O_RDONLY) = 4
fstat(4, 0xEFFFF2D4) = 0
mmap(0xEF7A0000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0xEF7A0000
close(4) = 0
open("/usr/platform/SUNW,Ultra-4/lib/libc_psr.so.1", O_RDONLY) = 4
fstat(4, 0xEFFFF0B4) = 0
mmap(0x00000000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE, 4, 0) = 0xEF790000
mmap(0x00000000, 16384, PROT_READ|PROT_EXEC, MAP_PRIVATE, 4, 0) = 0xEF780000
close(4) = 0
close(3) = 0
munmap(0xEF790000, 8192) = 0
stat64("trav_op.c", 0x00024200) = 0
acl("trav_op.c", GETACLCNT, 0, 0x00000000) = 4
stat64("../../xx", 0x00024168) Err#2 ENOENT
open64("trav_op.c", O_RDONLY) = 3
creat64("../../xx", 0644) = 4
stat64("../../xx", 0x00024168) = 0
chmod("../../xx", 0100644) = 0
mmap64(0x00000000, 38425, PROT_READ, MAP_SHARED, 3, 0) = 0xEF770000
memcntl(0xEF770000, 38425, MC_ADVISE, 0x0002, 0, 0) = 0
write(4, " / * - - - - - - - - - -".., 38425) = 38425
munmap(0xEF770000, 38425) = 0
close(3) = 0
close(4) (sleeping...) *** HANGS APPROX 15 SEC ***
close(4) = 0
chown("../../xx", 2048, 525) = 0
chmod("../../xx", 0100644) = 0
utime("../../xx", 0xEFFFEB08) = 0
llseek(0, 0, SEEK_CUR) = 23915
_exit(0)

Hello,
are you aware that this isn't official Sun Support but a user-to-user forum ?
Michael
When will the deficencies/bugs in the Forums software be fixed ?

ODBC Data source administrator hanging for 20 seconds

After installing 32 bit ODAC 11.2 Release 5 and Oracle Developer Tools for Visual Studio (11.2.0.3.20) our business is reporting slow Excel/VBA code using ODBC.
The business are querying using a ODBC System DSN. It works but hangs for 20 second when VBA releases the connection.
I can see that I get the same pause after testing the connection in the "ODBC Data Source administrator"
1. Open ODBC Data Source administrator
2. Edit the System DSN
3. Push "Test Conncetion". Says "Connection succesful". Push OK
4. Push "OK"
ODBC Data Source administrator now hangs for 20 seconds.
I did a clean installation on a Win7 x64 machine using 32 bit ODBC Data Source administrator
Nothing to find in the eventlog.
Does anyone know what could be wrong?

Udpate: I tracked it down to Microsoft ISA Firewall Client installation. If I uninstall the ISA Firewall the problem disappears.
Only disabling the ISA Firewall doesn't help!
Other have reported the same behaviour https://groups.google.com/forum/#!topic/microsoft.public.isa.clients/F14GNANHppA
Any help will be appreciated!
Thanks

Dbms_scheduler job neither succeeds nor errors its just keep running for ever

Hi All,
I am trying to run a shell script from plsql using the dbms_scheduler, job is getting created and it keeps running for ever without success or error.
Can some please help me where I am doing the mistake.
Thanks
DB Version:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
Plsql Script:
BEGIN
   DBMS_SCHEDULER.create_job (
      job_name              => 'SFTP_PAYMENTECH_BATCHID1',
      job_type              => 'EXECUTABLE',
      job_action            => '/app07/ebdev/ebdevappl/xxtpc/bin/test.sh',
      number_of_arguments   => 1,
      enabled               => FALSE,
      auto_drop             => TRUE,
      comments              => 'SFTP Batch File to Paymentech');
   DBMS_OUTPUT.put_line (
      'Job Created Successfully:' || 'SFTP PAYMENTECH BATCHID');
   fnd_file.put_line (
      fnd_file.output,
      'Job Created Successfully:' || 'SFTP PAYMENTECH BATCHID');
   COMMIT;
   DBMS_SCHEDULER.SET_JOB_ARGUMENT_VALUE (
      job_name            => 'SFTP_PAYMENTECH_BATCHID1',
      argument_position   => 1,
      argument_value      => '66667'                        /*v_printer_name*/
   DBMS_SCHEDULER.enable (name => 'SFTP_PAYMENTECH_BATCHID1');
EXCEPTION
   WHEN OTHERS
   THEN
      fnd_file.put_line (fnd_file.output,
                         'Error while creating the Job:' || SQLERRM);
      DBMS_OUTPUT.put_line ('Error while creating the Job:' || SQLERRM);
END;
Shell Script which I am calling:
#!/usr/bin/ksh
FILENAME=$1
PMTHOST=198.xx.xx.xx
PMTUSER=xxxxx
PMTPW=xxxxx
a='apps'
b='xxxxxx'
c='EBDEV'
INST=`echo $TWO_TASK | sed 's/_BALANCE//'`
echo INSTANCE: $INST
echo
File_Path=$XXTPC_TOP/iby/out
echo File Name: $FILENAME
echo $PMTHOST
echo $PMTUSER
echo
echo Date: `date`
echo
echo File System User: `whoami`
echo
echo Instance: $TWO_TASK
echo
echo File_Path: $File_Path
echo
echo PMT SFTP
# Fetch file using MBATCHID as File Name
cd $File_Path
echo
echo -----------------------------------------------
echo
echo Current File          :$FILENAME
l_date_time=`date +%Y%m%d%H%M%S`
echo SFTP Remittance File
# sftp $PMTUSER@$PMTHOST << EOF
lftp -u $PMTUSER,$PMTPW sftp://$PMTHOST << EOF
lcd $File_Path
cd test/945299
put $FILENAME
exit
EOF
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Have you tried running the script manually to confirm it isnt just hanging on input for the lftp ?
You could add a -o <file> to the lftp command line which would output debug info into <file> so you could see.
Creation of the job looks fine so as GregV said, what output do you have in ALL_SCHEDULER_RUNNING_JOBS and any ADDITIONAL_INFO in the ALL_SCHEDULER_JOB_RUN_DETAILS or in $ORACLE_HOME/scheduler/log that might indicate what the problem is ?
If this answer was helpful, please mark as helpful answer.

[SOLVED] kdm hangs for ~20 seconds after entering pw

Hi there,
since i made some updates recently kdm hangs for 20 or more seconds after entering the password.
I already updated font caches with `fc-cache -fv` but it didn't help.
Where can I start looking?
/var/log/kdm.log looks like this, but I honestly don't know what to make of it:
Initializing built-in extension Generic Event Extension
Initializing built-in extension SHAPE
Initializing built-in extension MIT-SHM
Initializing built-in extension XInputExtension
Initializing built-in extension XTEST
Initializing built-in extension BIG-REQUESTS
Initializing built-in extension SYNC
Initializing built-in extension XKEYBOARD
Initializing built-in extension XC-MISC
Initializing built-in extension SECURITY
Initializing built-in extension XINERAMA
Initializing built-in extension XFIXES
Initializing built-in extension RENDER
Initializing built-in extension RANDR
Initializing built-in extension COMPOSITE
Initializing built-in extension DAMAGE
Initializing built-in extension MIT-SCREEN-SAVER
Initializing built-in extension DOUBLE-BUFFER
Initializing built-in extension RECORD
Initializing built-in extension DPMS
Initializing built-in extension Present
Initializing built-in extension DRI3
Initializing built-in extension X-Resource
Initializing built-in extension XVideo
Initializing built-in extension XVideo-MotionCompensation
Initializing built-in extension XFree86-VidModeExtension
Initializing built-in extension XFree86-DGA
Initializing built-in extension XFree86-DRI
Initializing built-in extension DRI2
Loading extension GLX
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Warning: Type "ONE_LEVEL" has 1 levels, but <RALT> has 2 symbols
> Ignoring extra symbols
Errors from xkbcomp are not fatal to the X server
klauncher(303) kdemain: No DBUS session-bus found. Check if you have started the DBUS server.
kdeinit4: Communication error with launcher. Exiting!
kdmgreet(297)/kdecore (K*TimeZone*): KSystemTimeZones: ktimezoned initialize() D-Bus call failed: "Not connected to D-Bus server"
kdmgreet(297)/kdecore (K*TimeZone*): No time zone information obtained from ktimezoned
(II) AIGLX: Suspending AIGLX clients for VT switch
setversion 1.4 failed: Permission denied
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Warning: Multiple definitions of the FOUR_LEVEL_KEYPAD key type
> Earlier definition ignored
> Warning: Type "ONE_LEVEL" has 1 levels, but <RALT> has 2 symbols
> Ignoring extra symbols
Errors from xkbcomp are not fatal to the X server
Thanks for your help!
vincent
Last edited by vincent7 (2014-05-16 21:57:27)

sorry for bringing this up again...
In the meantime I switched from KDE to MATE Desktop, using LightDM and then sddm as Display Managers. The Problem is still the same: everything is starting and booting fine, it's maybe 15 seconds from pressing the ON switch on my laptop until the Login-Dialog of sddm appears. When I enter my password and hit "Enter" the display manager just waits like 20-30 seconds until somethings happens, and MATE is loaded.
This only happens on my first login, right after boot. When I logout and login again, it just takes some seconds until the desktop is loaded.
I looked into "journalctl", but it does not show anything suspicious. It's just a 20-30 second black hole between entries.
I get the exact same behaviour when I disable the display manager and boot into console login.
Can someone please help me with that?

SOAP requests hang for 5 minutes. Why?

As a first step in using the SOAP features integrated in Java 6 I went through the JAX-WS 2.0 tutorial at http://java.sun.com/developer/technicalArticles/J2SE/jax_ws_2/.
I created the simple webservice as well as the client (I am not using the Netbeans IDE but I did the corresponding in my IDE).
I started the service in a local VM and started the local client application as well.
What's really odd is: the service and the client worked on first attempt (and I verified this by inserting println statements into the code), but the return of the result always hangs for pretty exactly 5 minutes (by when - I guess - some timeout strikes).
I.e. the client issues the request and the server-side gets called practically immediately, but the result is passed back to the client only 5 minutes later.
At first I had thought, that things didn't work, but when I got distracted and later returned to my screen I found, that my WebService requests had actually worked as designed.
But why does the return of the response take 5 minutes? Any ideas, anybody?
Michael

I've seen similar behavior, but not on every invocation. In my case:
1) Nightly backups were starting at 5:30PM every day - every request then timed out;
2) Our development servers were virtual machines - they were often slow to wake up.
Otherwise, the web services responded normally.

Session Bean Client Hangs when one Server in Cluster Fails

We are testing several failure scenarios and one has come up that concerns us.
Some background: Were running a WLS6.1 cluster on two separate machines. We
start a test client consisting of 50 active threads and let them start calling
into a session bean. After a couple minutes we pull the network plug out of one
of the machines to simulate an uncontrolled crash of the machine. Once the plug
is pulled the clients hang and of more concern any new clients that we startup
also hang. Has anyone successfully solved this problem?

When we kill one of Weblogic instances in the cluster none of the clients fail.
All of our clients fail-over to the remaining servers. It's pulling the network
plug to our of the server that causes everything to hang. Not just or test client,
but the other servers in the cluster hang. The control panel doesn't respond
at all either. We currently have a support case open with BEA #348184 about this.
We've gotten a prompt response in which we were asked to modify our configuration
by deploying our beans to each individual server rather than the cluster. We
did this, but the results so far have not changed.
Thanks for the feedback,
Howard.
"Ade Barkah" <[email protected]> wrote:
We haven't encountered something like that, so it could be a setup problem.
Can you verify that the t3 url hostname the client threads use resolves
to the
ip addresses of each machine in the cluster? Are all machines in the
cluster
listening at the same port number? Also, does it matter if you kill one
of the
weblogic processes instead of pulling the plug? (i.e., if you leave the
network
layer up?)
Check also that your threads aren't simply blocking each other when the
server
goes down? E.g. start multiple test client processes with one thread
each just
to test.
What we notice is (with round-robin cluster policy), as we bring down
one of
the servers, the clients will continue to work on the second server,
but will slow
down between method invocations as they still attempt to connect to the
downed
server.
After a short period of time (~30 seconds) the clients will fully switch
to the
second machine and processing continues at full speed again, until the
downed
machine is brought back up, at which point work is distributed evenly
again.
Also, when the first server is brought down, some of the clients may
terminate
with a PeerGoneException (or something similar to that.) So unless your
threads
are catching exceptions, they might terminate as well.
regards,
-Ade
"howard spector" <[email protected]> wrote in message news:[email protected]...
We are testing several failure scenarios and one has come up that concernsus.
Some background: Were running a WLS6.1 cluster on two separate machines.We
start a test client consisting of 50 active threads and let them startcalling
into a session bean. After a couple minutes we pull the network plugout of one
of the machines to simulate an uncontrolled crash of the machine. Once the plug
is pulled the clients hang and of more concern any new clients thatwe startup
also hang. Has anyone successfully solved this problem?

Swing client hangs for ever

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