IC86668: CONCURRENTMODIFICATIONEXCEPTION FROM LIGHTWEIGHTFLOWREGISTRY

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You can track all active APARs for this component.

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



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Document information


More support for:

WebSphere Enterprise Service Bus
APAR

Software version:

6.2

Reference #:

IC86668

Modified date:

2012-11-27

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