APAR status
Closed as program error.
Error description
There is a memory leak of SAF credentials' artifacts when stressing a z/OS Liberty Profile server. The server might fail due to a Java Virtual Machine heap exhaustion. An analysis of the heap dump shows the com.ibm.ws.security.credentials.saf.internal.SAFCredTokenMap as the memory leak suspect, with a large portion of the heap used by it.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server Liberty Profile * **************************************************************** * PROBLEM DESCRIPTION: Memory leak of SAF credentials during * * heavy workload. * **************************************************************** * RECOMMENDATION: * **************************************************************** There is a memory leak of SAF credentials' artifacts when stressing a z/OS Liberty Profile server. The server might fail due to a Java Virtual Machine heap exhaustion. An analysis of the heap dump shows the com.ibm.ws.security.credentials.saf.internal.SAFCredTokenMap as the memory leak suspect, with a large portion of the heap used by it.
Problem conclusion
The code was modified to prevent duplicate SAF credentials. The fix for this APAR is currently targeted for inclusion in fix pack 8.5.5.1. 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
PM93191
Reported component name
LIBERTY - Z/OS
Reported component ID
5655W6514
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2013-07-17
Closed date
2013-07-22
Last modified date
2013-07-22
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
LIBERTY - Z/OS
Fixed component ID
5655W6514
Applicable component levels
R850 PSY
UP
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Document Information
Modified date:
22 July 2013