IBM Support

PH50702: HANDLE LIST CODE MAY DEAD LOCK WITH OLDER RESOURCE ADAPTERS

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

 

APAR status

  • Closed as program error.

Error description

  • Dead lock may occur when using older resource adapters
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server using connection factories.          *
    ****************************************************************
    * PROBLEM DESCRIPTION: A dead lock may occur with resource     *
    *                      adapter that are not using  lazy        *
    *                      connection association optimization.    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A java core will identify this problem with one of the
    dead lock stacks
    containing Handlelist.reAssociate.
    

Problem conclusion

  • Synchornization in the handle list code was changed to avoid
    the dead lock.
    
    The fix for this APAR is targeted for inclusion in fix pack
    8.5.5.25 and 9.0.5.19. For more information, see 'Recommended
    Updates for WebSphere Application Server':
    https://www.ibm.com/support/pages/node/715553
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH50702

  • Reported component name

    WEBSPHERE APP S

  • Reported component ID

    5724J0800

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2022-11-07

  • Closed date

    2024-01-18

  • Last modified date

    2024-01-18

  • 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

    WEBSPHERE APP S

  • Fixed component ID

    5724J0800

Applicable component levels

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.5","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
24 January 2024