IBM Support

PH59527: SLOW MEMORY LEAK IN WEB SERVER PLUG-INS FOR IBM WEBSPHERE APPLICATION SERVER

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APAR status

  • Closed as program error.

Error description

  • Plugin may cause memory leaks after migrating to WAS fix
    pack versions 8.5.5.24, 8.5.5.25, 9.0.5.16, 9.0.5.17,
    9.0.5.18, or 9.0.5.19
    

Local fix

  • Restart IHS server during off hours or temporarily configure
    MaxRequestsPerChild (in Apache-based servers)
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server                                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: Memory leak issue post-migration to     *
    *                      versions 8.5.5.24, 8.5.5.25, 9.0.5.16-  *
    *                      9.0.5.19 may cause resource depletion   *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    After migrating to plugin fix pack versions 8.5.5.24, 8.5.5.25,
    9.0.5.16, 9.0.5.17, 9.0.5.18, or 9.0.5.19, customers may
    encounter a memory leak issue. This issue could potentially lead
    to increased resource consumption, system instability, and
    degraded performance over time.
    

Problem conclusion

  • The memory leaks have been addressed.
    
    The fix for this APAR is targeted for inclusion in fix pack
    8.5.5.26 and 9.0.5.20. 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

    PH59527

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    900

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2024-01-31

  • Closed date

    2024-05-07

  • Last modified date

    2024-05-20

  • 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

    WEBS APP SERV N

  • Fixed component ID

    5724H8800

Applicable component levels

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Line of Business":{"code":"LOB67","label":"IT Automation \u0026 App Modernization"}}]

Document Information

Modified date:
20 May 2024