OIM Server Intermittently Fails or Shows Stuck Execute Threads with ERROR: "java.lang.OutOfMemoryError: Java heap space." (Doc ID 1413643.1)

Last updated on MARCH 30, 2017

Applies to:

Identity Manager - Version 9.1.0.0.0 to 9.1.0.2.21
Identity Manager - Version 11.1.1.3.0 to 11.1.1.5.11 [Release 11g]
Identity Manager - Version 11.1.2.0.0 and later
Information in this document applies to any platform.
**Checked For Relevance on 02-Aug-2013**

Symptoms

The OIM server log shows errors like:

####<19-dic-2011 09H11' CET> <Error> <HTTP> <rhpr0271> <OIM_T_ManagedServer_1> <[STUCK] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1324282317349> <BEA-101017> <[ServletContext@3402244[app:Xmlpserver module:Xmlpserver path:/gidm/Xmlpserver spec-version:2.5]] Root cause of ServletException.
java.lang.OutOfMemoryError: Java heap space
>
####<19-dic-2011 09H11' CET> <Info> <WebLogicServer> <rhpr0271> <OIM_T_ManagedServer_1> <[STUCK] ExecuteThread: '27' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1324282317348> <BEA-000339> <[STUCK] ExecuteThread: '27' for queue: 'weblogic.kernel.Default (self-tuning)' has become "unstuck".>
####<19-dic-2011 09H11' CET> <Info> <WebLogicServer> <rhpr0271> <OIM_T_ManagedServer_1> <[STUCK] ExecuteThread: '11' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1324282317351> <BEA-000339> <[STUCK] ExecuteThread: '11' for queue: 'weblogic.kernel.Default (self-tuning)' has become "unstuck".>
####<19-dic-2011 09H11' CET> <Info> <WebLogicServer> <rhpr0271> <OIM_T_ManagedServer_1> <[STUCK] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1324282317351> <BEA-000339> <[STUCK] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)' has become "unstuck".>
####<19-dic-2011 09H11' CET> <Error> <WebLogicServer> <rhpr0271> <OIM_T_ManagedServer_1> <[ACTIVE] ExecuteThread: '8' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1324282317348> <BEA-000337> <[STUCK] ExecuteThread: '27' for queue: 'weblogic.kernel.Default (self-tuning)' has been busy for "710" seconds working on the request "null", which is more than the configured time (StuckThreadMaxTime) of "600" seconds. Stack trace:
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:293)
java.lang.ClassLoader.loadClass(ClassLoader.java:248)
.....
####<19-dic-2011 09H11' CET> <Error> <Kernel> <rhpr0271> <OIM_T_ManagedServer_1> <[STANDBY] ExecuteThread: '15' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1324282317382> <BEA-000802> <ExecuteRequest failed
java.lang.OutOfMemoryError: Java heap space.
java.lang.OutOfMemoryError: Java heap space
at sun.util.resources.TimeZoneNames_es.getContents(TimeZoneNames_es.java:185)
at sun.util.resources.OpenListResourceBundle.loadLookup(OpenListResourceBundle.java:109)
.....

Cause

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