IBM Support

PI15072: During near-cache invalidation initialization, deadlocks might occur..

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

  • When initializing near-cache invalidation, a deadlock can
    occur. Because the deadlock never resolves itself, near-cache
    invalidation initialization does not complete.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  WebSphere eXtreme Scale customers who run   *
    *                  with near-cache invalidation.               *
    ****************************************************************
    * PROBLEM DESCRIPTION: Deadlocks might occur during            *
    *                      near-cache invalidation                 *
    *                      initialization.                         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    During near-cache invalidation initialization, a near-cache
    invalidation listener must be registered with the server.  If
    the registration for the listener occurred at the same time
    that existing listeners were being updated, then a deadlock
    scenario might occur. Because the deadlock never resolves
    itself, near-cache invalidation initialization never completes.
    

Problem conclusion

  • The lock mode sequence was reorganized. Now, when you add a
    near-cache invalidation listener, deadlocks no longer occur.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI15072

  • Reported component name

    WS EXTREME SCAL

  • Reported component ID

    5724X6702

  • Reported release

    860

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-04-02

  • Closed date

    2014-04-03

  • Last modified date

    2014-04-03

  • 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

    WS EXTREME SCAL

  • Fixed component ID

    5724X6702

Applicable component levels

  • R860 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSTVLU","label":"WebSphere eXtreme Scale"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"860","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
03 April 2014