PM12989: WITH JAVA SECURITY ENABLED, EXTREME SCALE IMPLEMENTATION OF OPENJPA L2 CACHE THROWS JAVA.SECURITY.ACCESSCONTROLEXCEPTION.

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APAR status

  • Closed as program error.

Error description

  • When using the eXtreme Scale OpenJPA L2 cache implementation,
    a thread was being created without the correct
    AccessController.doPrivileged() call.
    When the OpenJPA L2 is first referenced, the following message
    and exception is seen in the SystemOut.log:
    
    SECJ0314W: Current Java 2 Security policy reported a potential
    violation of Java 2 Security Permission.
    Refer to the InfoCenter for further information.
    Permission:
          modifyThreadGroup : Access denied
    (java.lang.RuntimePermission modifyThreadGroup)
    
    Code:
    com.ibm.ws.objectgrid.container.
    ObjectGridContainerImpl$PlacementServiceUpdater in
    {file:/${WAS_HOME}/lib/wsobjectgrid.jar}
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of WebSphere eXtreme Scale        *
    *                  Version 7.0.0.0 FIX2 or above who are       *
    *                  using the eXtreme Scale OpenJPA L2 cache.   *
    ****************************************************************
    * PROBLEM DESCRIPTION: java.security.AccessControlException:   *
    *                      Access denied                           *
    *                      (java.lang.RuntimePermission            *
    *                      modifyThreadGroup) is thrown.           *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The WebSphere eXtreme Scale runtime was changed to add the
    necessary AccessController.doPrivileged() method call when
    creating
    the thread.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PM12989

  • Reported component name

    XD EXTREME SCAL

  • Reported component ID

    5724J3402

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-04-23

  • Closed date

    2010-04-30

  • Last modified date

    2010-04-30

  • 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

    XD EXTREME SCAL

  • Fixed component ID

    5724J3402

Applicable component levels

  • R700 PSY

       UP



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Document information


More support for:

WebSphere eXtreme Scale
General

Software version:

7.0

Reference #:

PM12989

Modified date:

2010-04-30

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