IC86936: STERLING CONTROL CENTER 5.3.0 HAVING MEMORY LEAKS

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APAR status

  • Closed as program error.

Error description

  • Sterling Control Center V5.3 on Linux and the memory
    heap expands until it reaches limit and crashed. We have to
    constantly monitor memory and restart Control Center to free up
    heap.
    
    DB2 JDBC DriverVersion =3.62.56
    

Local fix

  • STRRTC - 351372
    SF / SF
    Circumvention: Use an older JDBC driver 3.51.90
    

Problem summary

  • When query timeout is set for DB2 JDBC Driver connections, the
    java.util.TimerTasks created by DB2 JDBC drivers are not
    terminating when the Statement execution completes and thus
    causing out of memory eventually.
    

Problem conclusion

  • Added a DB2 JDBC connection property that would only one timer
    task per connection when query time out value is set.
    

Temporary fix

  • Awaiting customer fix verification.
    

Comments

APAR Information

  • APAR number

    IC86936

  • Reported component name

    STR CONTROL CEN

  • Reported component ID

    5725D0200

  • Reported release

    530

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-01

  • Closed date

    2012-11-14

  • Last modified date

    2012-11-14

  • 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

    STR CONTROL CEN

  • Fixed component ID

    5725D0200

Applicable component levels

  • R530 PSY

       UP

  • R540 PSY

       UP



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Document information


More support for:

Sterling Control Center

Software version:

5.3

Reference #:

IC86936

Modified date:

2012-11-14

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