IZ55589: NATIVE MEMORY LEAK IN FONT CODE(FONTMETRICS)

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: Customer was running stress/load tests on their
    product Lotus Forms Webform Server on Windows.  While running
    these tests customer observed a memory leak (approx 20MB/day) in
    WebSphere Application Server 6.1.
    .
    Stack Trace: N/A
    .
    

Local fix

Problem summary

  • Customer was running stress/load tests on their product Lotus
    Forms Webform Server on Windows.  While running these tests
    customer observed a memory leak (approx 20MB/day) in WebSphere
    Application Server 6.1.  VerboseGC output from this tests showed
    no increase in java heap usage, which confirmed that it is a
    native memory leak. Memory leak is observed on 1.4.2 with -Xj9
    option and 5.0 JREs, but not on 1.4.2 Sovereign JRE.
    The code changes are not required in 142 line as the faulty code
    does not exist in 142 line.
    

Problem conclusion

  • This defect will be fixed in:
    5.0.0 SR11
    .
    We investigated and found problem was in font area of code. The
    problem was due to SoftReference and the problem was resolved by
    using WeakReference.
    .
    To obtain the fix:
    Install build 20090725 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ55589

  • Reported component name

    JAVA 5 CLASS LI

  • Reported component ID

    620500130

  • Reported release

    500

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-07-23

  • Closed date

    2009-08-10

  • Last modified date

    2009-08-10

  • 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

    JAVA 5 CLASS LI

  • Fixed component ID

    620500130

Applicable component levels

  • R500 PSN

       UP



Rate this page:

(0 users)Average rating

Document information


More support for:

Runtimes for Java Technology
Java Class Libraries

Software version:

5.0

Reference #:

IZ55589

Modified date:

2009-08-10

Translate my page

Machine Translation

Content navigation