JR54419: RUNTIME TRANSACTION SUCCEEDS AND PROCEEDS ALTHOUGH PART OF THE TRANSACTION FAILED

7.5.1.2-WS-BPM-IFJR54419
Version 8.5 Refresh Pack 7 for the IBM Business Process Manager products

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 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