APAR status
Closed as program error.
Error description
CU is gettig "java.util.ConcurrentModificationException" in
"SessionCont extMBeanAdapter.getSessionsInfo() " method when
using TPV with setting "servletSessionsModule=X", This happens
during Peak load
-----------------------------------------------
5f580926 SessionContex E Exception is:
java.util.ConcurrentModificationException
java.util.HashMap$HashIterator.nextEntry(HashMap.java(Compiled
at java.util.HashMap$EntryIterator.next(HashMap.java(Compiled
at java.util.HashMap.writeObject(HashMap.java(Compiled Code))
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.ja
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.j
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java(
com.ibm.ws.webcontainer.httpsession.SessionContextMBeanAdapter.g
etSessionsInfo(
com.ibm.ws.webcontainer.httpsession.SessionTrackingPMIApplicatio
nData$1.getRuntimeIn
com.ibm.ws.pmi.server.modules.ServletSessionsModule$SessionObjSi
ze.getStatValue(Serv
com.ibm.ws.pmi.server.data.SpdStatExternal.getStatistic(SpdStatE
xternal.
com.ibm.ws.pmi.server.data.SpdStatImpl.combine(SpdStatImpl.java(
-----------------------------------------------
Local fix
No work around
Problem summary
****************************************************************
* USERS AFFECTED: All WebSphere Application Server users. *
****************************************************************
* PROBLEM DESCRIPTION: ConcurrentModificationException when *
* PMI is enabled. *
* *
****************************************************************
* RECOMMENDATION: *
****************************************************************
ConcurrentModificationException when PMI is enabled.
[7/30/05 21:26:30:592 EDT] 5f580926 SessionContex E Exception
is: java.util.ConcurrentModificationException
com.ibm.ws.webcontainer.httpsession.SessionContextMBeanAdapter.
getSessionsInfo(SessionContextMBeanAdapter.java(Compiled Code))
at com.ibm.ws.webcontainer.httpsession.SessionTrackingPMI
ApplicationData$1.getRuntimeInfo (SessionTrackingPMIApplication
Data.java(Inlined Compiled Code))
at com.ibm.ws.pmi.server.modules.ServletSessionsModule
$SessionObjSize.getStatValue(ServletSessions
Module.java(Compiled Code))
at com.ibm.ws.pmi.server.data.SpdStatExternal.getStatistic
(SpdStatExternal.java(Compiled Code))
Problem conclusion
The exception is now handled gracefully.
The fix for this APAR is currently targeted for inclusion
in 5.02.14, 5.1.1.8 and 6.0.2.5.
Please refer to the recommended updates page for delivery
information:
http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
Temporary fix Comments
APAR information |
APAR number |
PK11112 |
Reported component name |
WAS NETWRK DEPL |
Reported component ID |
5630A3601 |
Reported release |
10I |
Status |
CLOSED PER |
PE |
NoPE |
HIPER |
NoHIPER |
Special Attention |
NoSpecatt |
Submitted date |
2005-08-29 |
Closed date |
2005-09-30 |
Last modified date |
2005-11-07 |
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
Publications Referenced
|
Fix information |
Fixed component name |
WAS NETWRK DEPL |
Fixed component ID |
5630A3601 |
Applicable component levels |
R003 PSY |
UP |
R00A PSY |
UP |
R00H PSY |
UP |
R00I PSY |
UP |
R00P PSY |
UP |
R00S PSY |
UP |
R00W PSY |
UP |
R103 PSY |
UP |
R10A PSY |
UP |
R10H PSY |
UP |
R10I PSY |
UP |
R10P PSY |
UP |
R10S PSY |
UP |
R10W PSY |
UP |
|