Re: PING: RFR: JDK-8151815: Could not parse core image with JSnap.

Tue, 29 Mar 2016 05:03:13 -0700 

PING: Could you review it?


Yasumasa


On 2016/03/22 21:24, Yasumasa Suenaga wrote:

PING: Could you review it?

Yasumasa

2016/03/14 23:39 "Yasumasa Suenaga" <yasue...@gmail.com 
<mailto:yasue...@gmail.com>>:

    Hi all,

    When I use `jhsdb jsnap` to get PerfCounter from core images, I encountered 
NPE:
    -------------
    Exception in thread "main" java.lang.NullPointerException
             at sun.jvm.hotspot.tools.JSnap.run(JSnap.java:45)
             at sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:260)
             at sun.jvm.hotspot.tools.Tool.start(Tool.java:223)
             at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118)
             at sun.jvm.hotspot.tools.JSnap.main(JSnap.java:67)
             at sun.jvm.hotspot.SALauncher.runJSNAP(SALauncher.java:352)
             at sun.jvm.hotspot.SALauncher.main(SALauncher.java:404)
    -------------

    PerfMemory::destroy() clears all members which are used in JSnap.
    Thus NPE is occurred.

    I uploaded webrev for this issue.
    Could you review it?

    http://cr.openjdk.java.net/~ysuenaga/JDK-8151815/webrev.00/

    I cannot access JPRT.
    So I need a Sponsor.


    Thanks,

    Yasumasa

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