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  1. #1
    Power Member
    Join Date
    Nov 2012
    Posts
    182

    Any ideas what might cause this crash?

    I have experienced this a couple of times, but I don't have a strong handle on the cause. I am unable to repeat it at will (yet). I will keep trying, but would appreaciate some pointers.

    17:57:26.228 0x181d90b00 j9mm.141 * ** ASSERTION FAILED ** at ParallelScavenger.cpp:1887: ((false))
    JVMDUMP039I Processing dump event "traceassert", detail "" at 2012/12/14 17:57:26 - please wait.
    JVMDUMP032I JVM requested System dump using '/rns/lightStreamer/bin/ibmi/core.20121214.175726.27483.0001.dmp' in response to an ev
    JVMDUMP010I System dump written to /rns/lightStreamer/bin/ibmi/core.20121214.175726.27483.0001.dmp
    JVMDUMP032I JVM requested Java dump using '/rns/lightStreamer/bin/ibmi/javacore.20121214.175726.27483.0002.txt' in response to an
    JVMDUMP012E Error in Java dump: /rns/lightStreamer/bin/ibmi/javacore.20121214.175726.27483.0002.txt
    JVMDUMP032I JVM requested Snap dump using '/rns/lightStreamer/bin/ibmi/Snap.20121214.175726.27483.0003.trc' in response to an even
    JVMDUMP010I Snap dump written to /rns/lightStreamer/bin/ibmi/Snap.20121214.175726.27483.0003.trc
    JVMDUMP013I Processed dump event "traceassert", detail "".

  2. #2
    Administrator
    Join Date
    Jul 2006
    Location
    Milan
    Posts
    973
    It appears as a JVM bug.
    We have never noticed a similar issue before.
    As the "scavenger" should be a part of the Garbage Collector, perhaps configuring a different GC algorithm could be a temporary workaround.

  3. #3
    Power Member
    Join Date
    Nov 2012
    Posts
    182
    Interesting. I amusing JDK 7 and this java option:
    -XX:+UseG1GC

  4. #4
    Administrator
    Join Date
    Jul 2006
    Location
    Milan
    Posts
    973
    Just for our records, may you please confirm that you are using an IBM JVM?

  5. #5
    Power Member
    Join Date
    Nov 2012
    Posts
    182
    Yes, that is correct. It hasn't happened since by the way.

 

 

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