Direct links to fixes
APAR status
Closed as program error.
Error description
Certain runtime transactions succeed and proceed although part of the transaction failed and you receive the following error message and a stack trace similar to the following stack trace: CWTBG0019E: Unexpected exception during execution. Exception information: ''{0}''. java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:934) at java.util.HashMap$EntryIterator.next(HashMap.java:974) at java.util.HashMap$EntryIterator.next(HashMap.java:972) at java.util.AbstractMap.toString(AbstractMap.java:530) at java.lang.String.valueOf(String.java:1659) at java.lang.StringBuilder.append(StringBuilder.java:194) at com.ibm.bpm.rest.impl.service.ServiceRunnerManager. initOldWebWFM (ServiceRunnerManager.java:121) at com.ibm.bpm.rest.impl.service.ServiceRunnerManager. getInstance(S erviceRunnerManager.java:80) at com.ibm.bpm.rest.impl.service.StartActionHandler. getServiceRunne r(StartActionHandler.java:487) at com.ibm.bpm.rest.impl.service.StartActionHandler. handleActionGet Model(StartActionHandler.java:159) at com.ibm.bpm.rest.impl.service.StartActionHandler. handleAction(StartActionHandler.java:200) at com.ibm.bpm.rest.impl.service.ServiceResource. postServiceActions(ServiceResource.java:456)
Local fix
Problem summary
In high-load scenarios, a non-synchronized HashMap is read while it is updated. As a result, you receive the ConcurrentModification exception.
Problem conclusion
A fix that synchronizes the accesses to this HashMap will be included in an IBM BPM V8.5.6 cumulative fix. To determine whether the cumulative fix is available and download it if it is, complete the following steps on Fix Central (http://www.ibm.com/support/fixcentral): 1. Select IBM Business Process Manager with your edition from the product selector, the installed version to the fix pack level, and your platform, and then click Continue. 2. Select Text, enter ?cumulative fix?, and click Continue.
Temporary fix
Not applicable
Comments
APAR Information
APAR number
JR54419
Reported component name
BPM STANDARD
Reported component ID
5725C9500
Reported release
856
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2015-10-01
Closed date
2016-02-01
Last modified date
2016-02-01
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
BPM STANDARD
Fixed component ID
5725C9500
Applicable component levels
R751 PSY
UP
R850 PSY
UP
R856 PSY
UP
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSFTDH","label":"IBM Business Process Manager Standard"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"856","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
14 October 2021