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PM34487: WCL CONCURRENTMODIFICATIONEXCEPTIONS AND HIGHCPU UTILIZATION

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APAR status

  • Closed as program error.

Error description

  • Two errors noted in the logs,
    
    ConcurrentModificationException out of WclPortletTrigger and
    NumberFormatting exception out of WTree.
    
    Javacore shows following stacktrace on hung thread.
    
    3XMTHREADINFO      "WebContainer : 61" (TID:0x000000012933AC00,
    sys_thread_t:0x000000012AD6FB80, state:CW, native
    ID:0x00000000004470FB)
    prio=5
    4XESTACKTRACE          at
    java/io/BufferedWriter.write(BufferedWriter.java:234)
    4XESTACKTRACE          at
    java/io/Writer.write(Writer.java:147(Compiled
    Code))
    4XESTACKTRACE          at
    java/io/BufferedWriter.newLine(BufferedWriter.java:246(Compiled
    Code))
    4XESTACKTRACE          at
    java/io/PrintStream.newLine(PrintStream.java:510(Compiled Code))
    4XESTACKTRACE          at
    java/io/PrintStream.println(PrintStream.java:663(Compiled Code))
    4XESTACKTRACE          at
    com/ibm/ejs/ras/StreamEvent6.writeDataToStream(StreamEvent6.java
    :180(Com
    piled Code))
    4XESTACKTRACE          at
    com/ibm/ejs/ras/StreamEvent6.writeSelfToStream(StreamEvent6.java
    :141(Com
    piled Code))
    4XESTACKTRACE          at
    com/ibm/ejs/ras/SystemStream.doPrintLine(SystemStream.java:798(C
    ompiled
    Code))
    4XESTACKTRACE          at
    com/ibm/ejs/ras/SystemStream.println(SystemStream.java:703(Compi
    led
    Code))
    4XESTACKTRACE          at
    com/ibm/psw/wcl/portlet/WclPortletTrigger.generatePortletURI(Wcl
    PortletT
    rigger.java:324(Compiled Code))
    4XESTACKTRACE          at
    com/ibm/psw/wcl/portlet/WclPortletTrigger.getURL(WclPortletTrigg
    er.java:
    227(Compiled Code))
    4XESTACKTRACE          at
    com/ibm/psw/wcl/portlet/WclPortletTrigger.getURL(WclPortletTrigg
    er.java:
    221(Compiled Code))
    4XESTACKTRACE          at
    com/ibm/psw/wcl/core/form/WForm.getFormActionURL(WForm.java:683(
    Compiled
    Code))
    4XESTACKTRACE          at
    com/ibm/workplace/wcm/app/ui/portlet/widget/renderer/HTMLBasicTa
    bleRende
    rer.getFullPathAnchorURL(HTMLBasicTableRenderer.java:2006(Compil
    ed
    Code))
    4XESTACKTRACE          at
    com/ibm/workplace/wcm/app/ui/portlet/widget/renderer/HTMLBasicTa
    bleRende
    rer.createAnchorTag(HTMLBasicTableRenderer.java:1924(Compiled
    Code))
    4XESTACKTRACE          at
    com/ibm/workplace/wcm/app/ui/portlet/widget/renderer/HTMLBasicTa
    bleRende
    rer.createTableHeaderRow(HTMLBasicTableRenderer.java:437(Compile
    d Code))
    

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PM34487

  • Reported component name

    WEBSPHERE PORTA

  • Reported component ID

    5724E7600

  • Reported release

    61C

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-03-09

  • Closed date

    2011-05-24

  • Last modified date

    2011-05-24

  • 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

    WEBSPHERE PORTA

  • Fixed component ID

    5724E7600

Applicable component levels

  • R700 PSY

       UP

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSHRKX","label":"WebSphere Portal"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.1.0.3","Line of Business":{"code":"LOB31","label":"WCE Watson Marketing and Commerce"}}]

Document Information

Modified date:
20 December 2021