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PH08920: CONCURRENTMODIFICATIONEXCEPTION AT CDI CODE

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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

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



Document information

More support for: WebSphere Application Server
General

Software version: 900

Reference #: PH08920

Modified date: 23 May 2019