IBM Support

PI75284: Intermittent NullPointerException from ApplicationStateMachineImpl when trace enabled or logging info in response to a failure

Fixes are available

17.0.0.1: WebSphere Application Server Liberty 17.0.0.1
17.0.0.2: WebSphere Application Server Liberty 17.0.0.2
17.0.0.3: WebSphere Application Server Liberty 17.0.0.3
17.0.0.4: WebSphere Application Server Liberty 17.0.0.4
18.0.0.1: WebSphere Application Server Liberty 18.0.0.1
18.0.0.2: WebSphere Application Server Liberty 18.0.0.2
18.0.0.3: WebSphere Application Server Liberty 18.0.0.3
18.0.0.4: WebSphere Application Server Liberty 18.0.0.4
19.0.0.1: WebSphere Application Server Liberty 19.0.0.1
19.0.0.2: WebSphere Application Server Liberty 19.0.0.2
19.0.0.3: WebSphere Application Server Liberty 19.0.0.3
19.0.0.4: WebSphere Application Server Liberty 19.0.0.4
19.0.0.5: WebSphere Application Server Liberty 19.0.0.5
19.0.0.6: WebSphere Application Server Liberty 19.0.0.6
19.0.0.7: WebSphere Application Server Liberty 19.0.0.7
19.0.0.8: WebSphere Application Server Liberty 19.0.0.8
19.0.0.9: WebSphere Application Server Liberty 19.0.0.9
19.0.0.10: WebSphere Application Server Liberty 19.0.0.10
19.0.0.11: WebSphere Application Server Liberty 19.0.0.11
19.0.0.12: WebSphere Application Server Liberty 19.0.0.12
20.0.0.1: WebSphere Application Server Liberty 20.0.0.1
20.0.0.2: WebSphere Application Server Liberty 20.0.0.2
20.0.0.3: WebSphere Application Server Liberty 20.0.0.3
20.0.0.4: WebSphere Application Server Liberty 20.0.0.4
20.0.0.5: WebSphere Application Server Liberty 20.0.0.5
20.0.0.6: WebSphere Application Server Liberty 20.0.0.6
20.0.0.7: WebSphere Application Server Liberty 20.0.0.7
20.0.0.8: WebSphere Application Server Liberty 20.0.0.8
20.0.0.9: WebSphere Application Server Liberty 20.0.0.9
20.0.0.10: WebSphere Application Server Liberty 20.0.0.10
20.0.0.11: WebSphere Application Server Liberty 20.0.0.11
20.0.0.12: WebSphere Application Server Liberty 20.0.0.12

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • An exception stack such as the following appears in the
    logs:
    java.lang.NullPointerException
    at
    com.ibm.ws.app.manager.internal.statemachine.ApplicationStat
    eMachineImpl.describe(ApplicationStateMachineImpl.java:314)
    at
    com.ibm.ws.app.manager.internal.ApplicationConfigurator$Name
    dApplication.describe(ApplicationConfigurator.java:189)
    at
    com.ibm.ws.app.manager.internal.ApplicationConfigurator.dump
    Applications(ApplicationConfigurator.java:1269)
    at
    com.ibm.ws.app.manager.internal.ApplicationConfigurator.setA
    ppRecycleComponent(ApplicationConfigurator.java:743)
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server Liberty                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: Intermittent NullPointerException from  *
    *                      ApplicationStateMachineImpl when trace  *
    *                      enabled or logging info in response to  *
    *                      a failure                               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    An exception stack such as the following appears in the logs,
    java.lang.NullPointerException
    	at
    com.ibm.ws.app.manager.internal.statemachine.ApplicationStateMac
    hineImpl.describe(ApplicationStateMachineImpl.java:314)
    	at
    com.ibm.ws.app.manager.internal.ApplicationConfigurator$NamedApp
    lication.describe(ApplicationConfigurator.java:189)
    	at
    com.ibm.ws.app.manager.internal.ApplicationConfigurator.dumpAppl
    ications(ApplicationConfigurator.java:1269)
    	at
    com.ibm.ws.app.manager.internal.ApplicationConfigurator.setAppRe
    cycleComponent(ApplicationConfigurator.java:743)
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PI75284

  • Reported component name

    WAS LIBERTY COR

  • Reported component ID

    5725L2900

  • Reported release

    CD0

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-01-20

  • Closed date

    2017-01-25

  • Last modified date

    2017-01-25

  • 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

    WAS LIBERTY COR

  • Fixed component ID

    5725L2900

Applicable component levels

  • RCD0 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SSD28V","label":"WebSphere Application Server Liberty Core"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"CD0","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
19 October 2021