Fixes are available
8.5.0.2: WebSphere Application Server V8.5 Fix Pack 2
8.0.0.6: WebSphere Application Server V8.0 Fix Pack 6
7.0.0.29: WebSphere Application Server V7.0 Fix Pack 29
8.0.0.7: WebSphere Application Server V8.0 Fix Pack 7
6.1.0.47: WebSphere Application Server V6.1 Fix Pack 47
8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
7.0.0.31: WebSphere Application Server V7.0 Fix Pack 31
7.0.0.33: WebSphere Application Server V7.0 Fix Pack 33
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
7.0.0.35: WebSphere Application Server V7.0 Fix Pack 35
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
7.0.0.37: WebSphere Application Server V7.0 Fix Pack 37
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
7.0.0.39: WebSphere Application Server V7.0 Fix Pack 39
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
7.0.0.41: WebSphere Application Server V7.0 Fix Pack 41
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
7.0.0.43: WebSphere Application Server V7.0 Fix Pack 43
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
7.0.0.45: WebSphere Application Server V7.0 Fix Pack 45
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
6.1.0.47: Java SDK 1.5 SR16 Cumulative Fix for WebSphere Application Server
7.0.0.29: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
7.0.0.31: Java SDK 1.6 SR15 Cumulative Fix for WebSphere Application Server
7.0.0.35: Java SDK 1.6 SR16 FP1 Cumulative Fix for WebSphere Application Server
7.0.0.37: Java SDK 1.6 SR16 FP3 Cumulative Fix for WebSphere Application Server
7.0.0.39: Java SDK 1.6 SR16 FP7 Cumulative Fix for WebSphere Application Server
7.0.0.41: Java SDK 1.6 SR16 FP20 Cumulative Fix for WebSphere Application Server
7.0.0.43: Java SDK 1.6 SR16 FP41 Cumulative Fix for WebSphere Application Server
APAR status
Closed as program error.
Error description
An out of memory condition which indicates that following objects occupy heap area. *** com/ibm/ISecurityLocalObjectCSIv2UtilityImpl/ConnectionTable 0x916f5740 451,763,464 (48.13%) [208] 15 array of java/util/Hashtable$Entry 0x97320458 216,670,248 (23.08%) [32] 3 java/util/Hashtable$HashtableCacheHashEntry 0x96dc1098 126,294,800 (13.45%) [32] 3 java/util/Hashtable$HashtableCacheHashEntry 0x93b8fe60 59,848,168 (6.38%) [32] 2 java/util/Hashtable$HashtableCacheHashEntry 0x9539f630 44,435,160 (4.73%) [32] 2 java/util/Hashtable$HashtableCacheHashEntry 0x954c1310 **** When this condition is observed, the following NullPointerException was logged as well. *** java.lang.NullPointerException com.ibm.ejs.util.am._Alarm.run 95 Exception = java.lang.NullPointerException Source = com.ibm.ejs.util.am._Alarm.run probeid = 95 Stack Dump = java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:460) at com.ibm.ISecurityLocalObjectCSIv2UtilityImpl.SessionManager.clea n_client _sessions(SessionManager.java:1703) at com.ibm.ISecurityLocalObjectCSIv2UtilityImpl.SessionManager.clea n_sessio n_tables(SessionManager.java:1788) ***
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server * **************************************************************** * PROBLEM DESCRIPTION: OutOfMemory Exception due to * * stoppage of Session table clean up * * code * **************************************************************** * RECOMMENDATION: * **************************************************************** Heap exhaustion due to NullPointer exceptions in a middle of processing alarm task of session table eviction code, this scheduled task no longer starts again. As a result, session entries in the table no longer be evicted even they are expired. At the end, it consumes all of available memory.
Problem conclusion
With this fix, alarm task was modified in order to handle NullPointer exceptions gracefully. The fix for this APAR is currently targeted for inclusion in fix pack 6.1.0.47, 7.0.0.29, 8.0.0.6 and the fix pack following 8.5.0.2. 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
PM78603
Reported component name
WEBSPHERE APP S
Reported component ID
5724J0800
Reported release
61A
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-12-06
Closed date
2013-01-29
Last modified date
2013-01-29
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WEBSPHERE APP S
Fixed component ID
5724J0800
Applicable component levels
R61A PSY
UP
R61H PSY
UP
R61I PSY
UP
R61P PSY
UP
R61S PSY
UP
R61W PSY
UP
R61Z PSY
UP
R700 PSY
UP
R800 PSY
UP
R850 PSY
UP
Document Information
Modified date:
29 October 2021