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

[Yasumasa Suenaga]

PING: Could you review it?

Yasumasa
2016/03/14 23:39 "Yasumasa Suenaga" <yasuenag at 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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