Fixes are available
APAR status
Closed as program error.
Error description
A java.util.ConcurrentModificationException may be seen when a number of flows are created on a server. The stack trace of the exception will include the LightweightFlowRegistry Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:841) at java.util.HashMap$EntryIterator.next(HashMap.java:883) at java.util.HashMap$EntryIterator.next(HashMap.java:881) at java.util.AbstractMap.toString(AbstractMap.java:587) at com.ibm.ws.sibx.scax.mediation.engine.LightweightFlowRegistry.to String(L ightweightFlowRegistry.java:134) at java.text.MessageFormat.subformat(MessageFormat.java:1237)
Local fix
N/A
Problem summary
When a number of messages are processed at the same time then a ConcurrentModificationException may be seen. This exception will be generated in the LightweightFlowRegistry code.
Problem conclusion
The code was modified such that methods in the LightweightFlowRegistry were protected from this CME. This code fix was targeted to be included in the following fix packs: 6.2.0 Fix Pack 4 (v6.2.0.4) 7.0.0 Fix Pack 6 (v7.0.0.6) 7.5.1 Fix Pack 2 (v7.5.1.2) 8.0.1 (BPM v8.0.1.0)
Temporary fix
Comments
APAR Information
APAR number
IC86668
Reported component name
WEB ESB FOR WIN
Reported component ID
5724I8200
Reported release
620
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-09-19
Closed date
2012-11-27
Last modified date
2012-11-27
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
WEB ESB FOR WIN
Fixed component ID
5724I8200
Applicable component levels
R620 PSY
UP
R700 PSY
UP
R751 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS7J6S","label":"WebSphere Enterprise Service Bus"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.2","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
30 March 2023