IBM Support

IV29913: METHODS COULD NOT BE CALLED ON MEMORYMXBEAN

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APAR status

  • Closed as program error.

Error description

  • Error Message: Methods cannot be called on
    com.ibm.lang.management,MemoryMXbean which are:
    getCurrentGCThreads
    getMaximumGCthreads
    getGCMasterThreadCPUUsed
    getGCSlaveThreadCPUUsed
    .
    Stack Trace: Exception in thread "main"
    java.lang.reflect.UndeclaredThrowableException
     at $Proxy0.getCurrentGCThreads(Unknown Source)
     at LocalMemory.main(LocalMemory.java:29)
    Caused by: javax.management.ReflectionException: No such
    operation : getCurrentGCThreads
     at
    com.ibm.lang.management.DynamicMXBeanImpl.invoke(DynamicMXBeanIm
    pl.java:325)
     at
    com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Def
    aultMBeanServerInterceptor.java:819)
     at
    com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.jav
    a:791)
     at
    com.ibm.lang.management.OpenTypeMappingIHandler$4.run(OpenTypeMa
    ppingIHandler.java:291)
     at
    java.security.AccessController.doPrivileged(AccessController.jav
    a:280)
     at
    com.ibm.lang.management.OpenTypeMappingIHandler.invokeOperation(
    OpenTypeMappingIHandler.java:287)
     at
    com.ibm.lang.management.OpenTypeMappingIHandler.invoke(OpenTypeM
    appingIHandler.java:129)
     ... 2 more
    Caused by: java.lang.NoSuchMethodException: getCurrentGCThreads
     at
    com.ibm.lang.management.DynamicMXBeanImpl.invoke(DynamicMXBeanIm
    pl.java:326)
     ... 8 more
    .
    N/A
    

Local fix

  • N/A
    

Problem summary

  • com.ibm.lang.management,MemoryMXbean doesn't implement these
    methods
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR3
    .
    Implement these methods
    

Temporary fix

  • N/A
    

Comments

APAR Information

  • APAR number

    IV29913

  • Reported component name

    JAVA CLASS LIBS

  • Reported component ID

    620700130

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-10

  • Closed date

    2012-10-10

  • Last modified date

    2012-10-10

  • 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

    JAVA CLASS LIBS

  • Fixed component ID

    620700130

Applicable component levels

  • R700 PSY

       UP



Document information

More support for: Runtimes for Java Technology
Java Class Libraries

Software version: 700

Reference #: IV29913

Modified date: 10 October 2012