Fixes are available
9.0.5.0: WebSphere Application Server traditional Version 9.0.5 Refresh Pack
9.0.5.1: WebSphere Application Server traditional Version 9.0.5 Fix Pack 1
9.0.5.2: WebSphere Application Server traditional Version 9.0.5 Fix Pack 2
9.0.5.3: WebSphere Application Server traditional Version 9.0.5 Fix Pack 3
APAR status
Closed as program error.
Error description
During performance test with multiple client accesses, ConcurrentModificationException below sometimes happen in CDI code. java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1465) at java.util.HashMap$KeyIterator.next(HashMap.java:1489) at com.ibm.ws.cdi.impl.weld.injection.WebSphereInjectionServicesImp l.findReferenceContext(WebSphereInjectionServicesImpl.java:239) at com.ibm.ws.cdi.impl.weld.injection.WebSphereInjectionServicesImp l.getInjectionTargets(WebSphereInjectionServicesImpl.java:198) at com.ibm.ws.cdi.impl.weld.injection.WebSphereInjectionServicesImp l.inject(WebSphereInjectionServicesImpl.java:143) at com.ibm.ws.cdi.impl.weld.injection.WebSphereInjectionServicesImp l.access$000(WebSphereInjectionServicesImpl.java:65) at com.ibm.ws.cdi.impl.weld.injection.WebSphereInjectionServicesImp l$1.run(WebSphereInjectionServicesImpl.java:129) at com.ibm.ws.cdi.impl.weld.injection.WebSphereInjectionServicesImp l$1.run(WebSphereInjectionServicesImpl.java:125) at java.security.AccessController.doPrivileged(Native Method)
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server * **************************************************************** * PROBLEM DESCRIPTION: ConcurrentModificationException in * * WebSphereInjectionServicesImpl.findRefe * * renceContext * **************************************************************** * RECOMMENDATION: * **************************************************************** In high load with multiple cliants a ConcurrentModificationException is thrown from WebSphereInjectionServicesImpl.findReferenceContext
Problem conclusion
A set was made into a concurrency friendly set. The fix for this APAR is currently targeted for inclusion in fix pack 9.0.5.0. 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
PH08920
Reported component name
WEBSPHERE APP S
Reported component ID
5724J0800
Reported release
900
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-02-26
Closed date
2019-05-23
Last modified date
2019-05-23
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
R900 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":"9.0","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
02 November 2021