IBM Support

PM49395: UNNECESSARY FFDC CLASSLOADING LOGS ARE GENERATED.

Fixes are available

7.0.0.21: WebSphere Application Server V7.0 Fix Pack 21
8.0.0.2: WebSphere Application Server V8.0 Fix Pack 2
8.0.0.3: WebSphere Application Server V8.0 Fix Pack 3
7.0.0.23: WebSphere Application Server V7.0 Fix Pack 23
8.0.0.4: WebSphere Application Server V8.0 Fix Pack 4
7.0.0.25: WebSphere Application Server V7.0 Fix Pack 25
8.0.0.5: WebSphere Application Server V8.0 Fix Pack 5
7.0.0.27: WebSphere Application Server V7.0 Fix Pack 27
8.0.0.6: WebSphere Application Server V8.0 Fix Pack 6
7.0.0.29: WebSphere Application Server V7.0 Fix Pack 29
8.0.0.7: WebSphere Application Server V8.0 Fix Pack 7
8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
7.0.0.31: WebSphere Application Server V7.0 Fix Pack 31
7.0.0.27: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.33: WebSphere Application Server V7.0 Fix Pack 33
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
7.0.0.35: WebSphere Application Server V7.0 Fix Pack 35
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
7.0.0.37: WebSphere Application Server V7.0 Fix Pack 37
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
7.0.0.39: WebSphere Application Server V7.0 Fix Pack 39
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
7.0.0.41: WebSphere Application Server V7.0 Fix Pack 41
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
7.0.0.43: WebSphere Application Server V7.0 Fix Pack 43
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
7.0.0.45: WebSphere Application Server V7.0 Fix Pack 45
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
7.0.0.21: Java SDK 1.6 SR9 FP2 Cumulative Fix for WebSphere
7.0.0.23: Java SDK 1.6 SR10 FP1 Cumulative Fix for WebSphere
7.0.0.25: Java SDK 1.6 SR11 Cumulative Fix for WebSphere Application Server
7.0.0.27: Java SDK 1.6 SR12 Cumulative Fix for WebSphere Application Server
7.0.0.29: Java SDK 1.6 SR13 FP2 Cumulative Fix for WebSphere Application Server
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
7.0.0.31: Java SDK 1.6 SR15 Cumulative Fix for WebSphere Application Server
7.0.0.35: Java SDK 1.6 SR16 FP1 Cumulative Fix for WebSphere Application Server
7.0.0.37: Java SDK 1.6 SR16 FP3 Cumulative Fix for WebSphere Application Server
7.0.0.39: Java SDK 1.6 SR16 FP7 Cumulative Fix for WebSphere Application Server
7.0.0.41: Java SDK 1.6 SR16 FP20 Cumulative Fix for WebSphere Application Server
7.0.0.43: Java SDK 1.6 SR16 FP41 Cumulative Fix for WebSphere Application Server

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APAR status

  • Closed as program error.

Error description

  • Unnecessary FFDC classloading logs are generated when they
    shouldn't be.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  Users of IBM WebSphere Application Server   *
    *                  versions 7.0 and 8.0 with WebSphere         *
    *                  Virtual Enterprise 7.                       *
    ****************************************************************
    * PROBLEM DESCRIPTION: When creating clusters, many FFDC       *
    *                      logs are generated with                 *
    *                      java.lang.ClassNotFoundException.       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    When creating clusters, many FFDC logs are generated with
    stack traces similar to the following:
    java.lang.ClassNotFoundException:
    com.ibm.ws.xd.appeditionmgr.EditModuleTargetsTaskHandler
    at java.lang.Throwable.<init>(Throwable.java:80)
    at
    java.lang.ClassNotFoundException.<init>(ClassNotFoundException.j
    ava:76)
    at
    org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(
    BundleLoader.java:351)
    at
    org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(
    BundleLoader.java:347)
    at
    org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadCla
    ss(DefaultClassLoader.java:83)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:619)
    at
    com.ibm.ws.management.application.ExtensionHelper.loadExtension(
    ExtensionHelper.java:1198)
    at
    com.ibm.ws.management.application.ExtensionHelper.fillClassMap(E
    xtensionHelper.java:1237)
    at
    com.ibm.ws.management.application.ExtensionHelper.processServerE
    xtensionsForEdit(ExtensionHelper.java:240)
    at
    com.ibm.ws.management.application.EditSchedulerImpl.setupTasks(E
    ditSchedulerImpl.java:150)
    at
    com.ibm.ws.management.application.SchedulerImpl.run(SchedulerImp
    l.java:273)
    at
    com.ibm.ws.management.application.EditApplication.setApplication
    Info(EditApplication.java:406)
    at
    com.ibm.ws.management.application.AppManagementImpl._setApplicat
    ionInfo(AppManagementImpl.java:701)
    at
    com.ibm.ws.management.application.AppManagementImpl.setApplicati
    onInfo(AppManagementImpl.java:642)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
    Method)
    at
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
    Impl.java:60)
    at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod
    AccessorImpl.java:37)
    at java.lang.reflect.Method.invoke(Method.java:611)
    at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:49)
    at sun.reflect.GeneratedMethodAccessor47.invoke(Unknown
    Source)
    The class eventually loads successfully and the FFDC logs are
    unnecessary.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PM49395

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-10-05

  • Closed date

    2011-10-18

  • Last modified date

    2011-10-18

  • 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



Document information

More support for: WebSphere Application Server
General

Software version: 7.0

Reference #: PM49395

Modified date: 18 October 2011