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PI62283: NULLPOINTEREXCEPTION IN PMI CLASS MODULEITEM

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APAR status

  • Closed as program error.

Error description

  • Synchronization in PMI class
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server Performance Monitoring               *
    *                  Infrastructure (PMI)                        *
    ****************************************************************
    * PROBLEM DESCRIPTION: NullPointerException can be observed    *
    *                      in PMI class ModuleItem                 *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The following stack trace might occur at runtime in PMI code:
    java.lang.NullPointerException
    at java.lang.String.compareTo(String.java:441)
    at java.lang.String.compareTo(String.java:31)
    at java.util.TreeMap.cmp(TreeMap.java:4474)
    at java.util.TreeMap.get(TreeMap.java:4343)
    at com.ibm.ws.pmi.server.ModuleItem.find(ModuleItem.java:83)
    ..
    at
    com.ibm.ws.pmi.server.PmiRegistry.getInstrumentationLevel(PmiReg
    istry.java:1046)
    This problem can happen due to timing, and making the TreeMap
    synchronized will fix this timing problem.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PI62283

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-05-12

  • Closed date

    2016-06-23

  • Last modified date

    2016-07-13

  • 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

    WEBS APP SERV N

  • Fixed component ID

    5724H8800

Applicable component levels

  • R700 PSY

       UP

  • R800 PSY

       UP

  • R850 PSY

       UP

  • R900 PSY

       UP



Document information

More support for: WebSphere Application Server
General

Software version: 7.0

Reference #: PI62283

Modified date: 13 July 2016