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how to solve : java.lang.OutOfMemoryError: Java heap space

DeltaNov 28 2010 — edited Nov 28 2010
Dear all,

Am using Jdeveloper 11.1.1.3 with weblogic10...

I keep getting out of memory error while working on the application , here is the exact error message that i copied from the server log :

####<28/11/2010 GMT 09:17:58 ص> <Critical> <Health> <javaserver> <AdminServer> <weblogic.GCMonitor> <<anonymous>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-0000000000000012> <1290935878582> <BEA-310003> <Free memory in the server is 4,541,416 bytes. There is danger of OutOfMemoryError>
####<28/11/2010 GMT 09:24:51 ص> <Error> <Kernel> <javaserver> <AdminServer> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-0000000000000029> <1290936291218> <BEA-000802> <ExecuteRequest failed
java.lang.OutOfMemoryError: Java heap space.
java.lang.OutOfMemoryError: Java heap space
>
####<28/11/2010 GMT 09:25:04 ص> <Notice> <Diagnostics> <javaserver> <AdminServer> <[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002c> <1290936304406> <BEA-320068> <Watch 'UncheckedException' with severity 'Notice' on server 'AdminServer' has triggered at 28/11/2010 GMT 09:24:56 ص. Notification details:
WatchRuleType: Log
WatchRule: (SEVERITY = 'Error') AND ((MSGID = 'BEA-101020') OR (MSGID = 'BEA-101017') OR (MSGID = 'BEA-000802'))
WatchData: DATE = 28/11/2010 GMT 09:24:51 ص SERVER = AdminServer MESSAGE = ExecuteRequest failed
java.lang.OutOfMemoryError: Java heap space.
java.lang.OutOfMemoryError: Java heap space
SUBSYSTEM = Kernel USERID = <WLS Kernel> SEVERITY = Error THREAD = [ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)' MSGID = BEA-000802 MACHINE = javaserver TXID = CONTEXTID = 3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-0000000000000029 TIMESTAMP = 1290936291218
WatchAlarmType: AutomaticReset
WatchAlarmResetPeriod: 30000
>
####<28/11/2010 GMT 09:25:36 ص> <Warning> <oracle.dfw.framework> <javaserver> <AdminServer> <[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002c> <1290936336549> <DFW-40121> <failure creating incident from WLDF notification
java.lang.OutOfMemoryError: Java heap space
>
####<28/11/2010 GMT 09:26:32 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936392224> <BEA-000388> <JVM called WLS shutdown hook. The server will force shutdown now>
####<28/11/2010 GMT 09:26:35 ص> <Alert> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936395303> <BEA-000396> <Server shutdown has been requested by <WLS Kernel>>
####<28/11/2010 GMT 09:26:35 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936395303> <BEA-000365> <Server state changed to FORCE_SUSPENDING>
####<28/11/2010 GMT 09:26:53 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936413632> <BEA-000365> <Server state changed to ADMIN>
####<28/11/2010 GMT 09:26:56 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936416757> <BEA-000365> <Server state changed to FORCE_SHUTTING_DOWN>
####<28/11/2010 GMT 09:26:59 ص> <Notice> <Server> <javaserver> <AdminServer> <DynamicListenThread[Default[1]]> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-0000000000000035> <1290936419289> <BEA-002607> <Channel "Default[1]" listening on 127.0.0.1:7001 was shutdown.>
####<28/11/2010 GMT 09:27:07 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-41> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936427508> <BEA-000378> <Server failed to shutdown within the configured timeout of 30 seconds. The server process will exit now.>



i searched the net and it seems that i should increase the java heap size , how can i do that... I have a server with 4G Ram ..

Regards,
Lama

Edited by: Delta on Nov 28, 2010 1:36 AM
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