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PM20341: PAGE DELETION CAN CAUSE PORTAL HANG WHEN LAZY DELETE IS DISABLED

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • When lazy deletion of pages is disabled, the deletion of a page
    can cause a hang of Portal server due to an infinite loop with
    extensive DB lookup. Stacktrace in javacore looks as follows:
    ...
    at com.ibm.wps.datastore.impl.federation.ResourceHomeImpl
    .find(ResourceHomeImpl.java)
    at com.ibm.wps.model.content.impl.ContentModelImpl
    .loadResource(ContentModelImpl.java)
    at com.ibm.wps.model.content.impl.ResourceLoadingTask
    .doItYourself(ResourceLoadingTask.java)
    at com.ibm.wps.model.content.impl.ConcurrentTaskSynchronizer
    .synchronizeTask(ConcurrentTaskSynchronizer.java)
    at com.ibm.wps.model.content.impl.ContentModelImpl
    .loadResourceSynchronized(ContentModelImpl.java)
    at com.ibm.wps.model.content.impl.ContentModelImpl
    .lookupResource(ContentModelImpl.java)
    at com.ibm.wps.model.content.impl.ContentModelImpl
    .resolveResource(ContentModelImpl.java)
    at com.ibm.wps.model.content.impl.ContentModelImpl
    .resolveResource(ContentModelImpl.java)
    at com.ibm.wps.model.impl.PagedResourceIterator
    .hasNext(PagedResourceIterator.java)
    

Local fix

Problem summary

  • When lazy deletion of pages is disabled, the deletion of a page
    can cause a hang of Portal server due to an infinite loop with
    extensive DB lookup.
    
    Stacktrace in javacore looks as follows:
    
    at
    com.ibm.wps.datastore.impl.federation.ResourceHomeImpl.find(Reso
    urceHomeImpl.java)
    at
    com.ibm.wps.model.content.impl.ContentModelImpl.loadResource(Con
    tentModelImpl.java)
    at
    com.ibm.wps.model.content.impl.ResourceLoadingTask.doItYourself(
    ResourceLoadingTask.java)
    at
    com.ibm.wps.model.content.impl.ConcurrentTaskSynchronizer.synchr
    onizeTask(ConcurrentTaskSynchronizer.java)
    at
    com.ibm.wps.model.content.impl.ContentModelImpl.loadResourceSync
    hronized(ContentModelImpl.java)
    at
    com.ibm.wps.model.content.impl.ContentModelImpl.lookupResource(C
    ontentModelImpl.java)
    at
    com.ibm.wps.model.content.impl.ContentModelImpl.resolveResource(
    ContentModelImpl.java)
    at
    com.ibm.wps.model.content.impl.ContentModelImpl.resolveResource(
    ContentModelImpl.java)
    at
    com.ibm.wps.model.impl.PagedResourceIterator.hasNext(PagedResour
    ceIterator.java)
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PM20341

  • Reported component name

    WEBSPHERE PORTA

  • Reported component ID

    5724E7600

  • Reported release

    601

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-08-13

  • Closed date

    2010-08-31

  • Last modified date

    2010-08-31

  • 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

  • R60J PSY

       UP

  • R615 PSY

       UP

  • R61C 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":"6.0.1","Line of Business":{"code":"LOB31","label":"WCE Watson Marketing and Commerce"}}]

Document Information

Modified date:
21 December 2021