A fix is available
APAR status
Closed as program error.
Error description
Following exception is seen in DMGR center cell: [10/29/12 11:03:05:595 EDT] 00000051 HttpSessionRe W DWCT0002E: Exception: java.lang.NullPointerException at com.ibm.ws.webcontainer.httpsession.RebalancerSessionMgr61.markI nactive( RebalancerSessionMgr61.java:331) er.doFilter(HttpSessionRebalanceResponseFilter.java:91) at com.ibm.ws.proxy.filter.http.HttpFilterImpl.doFilter(HttpFilterI mpl.java :98)
Local fix
None:
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server V8.5 using dynamic clusters with * * session replication * **************************************************************** * PROBLEM DESCRIPTION: A NullPointerException is thrown in * * the on demand router when the * * session rebalancing manager is * * invoked before it is fully * * initialized. * **************************************************************** * RECOMMENDATION: * **************************************************************** A NullPointerException is thrown in the on demand router when the session rebalancing manager is invoked before it is fully initialized. There is a time interval when this exception occurs.
Problem conclusion
RebalancerSessionMgr61 was modified so that it is not called before it is initialized. The fix for this APAR is included in WebSphere Application Server 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
PM83375
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2013-02-21
Closed date
2013-03-27
Last modified date
2015-04-07
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
WEBS APP SERV N
Fixed component ID
5724H8800
Applicable component levels
R850 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.5","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
01 November 2021