WebSphere Application Server & Liberty

WebSphere Application Server & Liberty

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  • 1.  generate snap trace ?

    Posted 02/23/16 01:53 PM

    After adding 

    -Xdump:java+heap+system+snap:events=user in JVM option , and restarting JVM,
    kill -3 still can't get snap trace ?
    what else need to genarate Snap trc files ?
    Thanks


  • 2.  RE: generate snap trace ?

    Posted 03/30/16 03:35 PM

    Are you sure it's not generated? What does your Jvm logs show?and does the place where you are directing the snap have enough space?



  • 3.  RE: generate snap trace ?

    Posted 04/04/16 11:47 AM

    here is java (j9) version :

    java version "1.6.0"
    Java(TM) SE Runtime Environment (build pap6460sr12-20121025_01(SR12))
    IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 AIX ppc64-64 jvmap6460sr12-20121024_126067 (JIT enabled, AOT enabled)
    J9VM - 20121024_126067
    JIT - r9_20120914_26057
    GC - 20120928_AA)
    JCL - 20121014_01

    websphere version:


    WVER0010I: Copyright (c) IBM Corporation 2002, 2005, 2008; All rights reserved.
    WVER0012I: VersionInfo reporter version 1.15.5.1, dated 6/15/11

    --------------------------------------------------------------------------------
    IBM WebSphere Application Server Product Installation Status Report
    --------------------------------------------------------------------------------

    Report at date and time April 4, 2016 11:35:26 AM EDT

    Installation
    --------------------------------------------------------------------------------
    Product Directory /opt/IBM/WebSphere/AppServer
    Version Directory /opt/IBM/WebSphere/AppServer/properties/version
    DTD Directory /opt/IBM/WebSphere/AppServer/properties/version/dtd
    Log Directory /opt/IBM/WebSphere/AppServer/logs
    Backup Directory /opt/IBM/WebSphere/AppServer/properties/version/nif/backup
    TMP Directory /tmp

    Product List
    --------------------------------------------------------------------------------
    ND installed

    Installed Product
    --------------------------------------------------------------------------------
    Name IBM WebSphere Application Server - ND
    Version 7.0.0.25
    ID ND
    Build Level cf251235.04
    Build Date 8/30/12
    Architecture PPC64

    Java option :

    -Xdump:java+system+heap+snap:events=user+abort+gpf

    kill -3 , I can have  heapdump and javacore (thread dump of Sun Hotspot) , but no Snap trc 

    Thanks 



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