How do you debug jvm core dump?

Discussion in 'Java' started by nibblix@gmail.com, Nov 18, 2005.

  1. Guest

    Hi,
    Can someone point me to some information on how to debug a jvm core
    dump? The program writes out a log file hs_err*.log and apparently dies
    although I still some zombie threads holding on to the memory etc.

    The log file says "unexpected signal : 11 at PC....."

    thanks,
    n
    , Nov 18, 2005
    #1
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  2. On 18 Nov 2005 11:23:31 -0800, wrote:
    > The log file says "unexpected signal : 11 at PC....."


    Do you have any native code in your application?

    /gordon


    --
    [ do not email me copies of your followups ]
    g o r d o n + n e w s @ b a l d e r 1 3 . s e
    Gordon Beaton, Nov 19, 2005
    #2
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  3. Guest

    As a matter of fact I do. Is this a JNI error? How can you tell?

    thanks,
    n
    , Nov 21, 2005
    #3
  4. On 21 Nov 2005 10:32:06 -0800, wrote:
    > As a matter of fact I do. Is this a JNI error? How can you tell?


    Segmentation fault (signal 11) can only be caused by native code, i.e.
    the JVM itself or one of its native libraries, or your own native
    code. My money's on the latter.

    /gordon

    --
    [ do not email me copies of your followups ]
    g o r d o n + n e w s @ b a l d e r 1 3 . s e
    Gordon Beaton, Nov 22, 2005
    #4
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