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Manish Hatwalne
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I need help about using and interpreting java -Xrunhprof option. Where
should I look?
BTW, I have alredy used java -Xrunhprof:help; need some article tutorial
about the same.
When I try this -
java -Xrunhprof:cpu=times,depth=4
I get following error -
HPROF ERROR: thread local table NULL in method exit 0AA90314
HPROF ERROR: thread local table NULL in method exit 0AA90314
HPROF ERROR: thread local table NULL in method exit 0095377C
HPROF ERROR : stack underflow in method exit
HPROF ERROR : stack underflow in method exit
#
# HotSpot Virtual Machine Error, Internal Error
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Client VM (1.4.0_01-b03 mixed mode)
#
# Error ID: 43113F32554E54494D45110E435050034A
#
# Problematic Thread: prio=5 tid=0x00234FD0 nid=0x560 runnable
#
TIA,
- Manish
 
Ilja Preuss
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Always a good place to look is Google: http://www.google.de/search?q=%22-Xrunhprof%22
If you are running under freebsd, the third hit might be interesting: http://lists.freebsd.org/pipermail/freebsd-java/2003-November/001068.html
 
Manish Hatwalne
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I am running Windows 2000. Did try google, but got lost in most of the irrelevant information.
- Manish
 
Ilja Preuss
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The first hit should be a tutorial, if I remember correctly.
For the error, it looks like it's a bug in the JVM. It might already be fixed in a never version, so you should probably try the latest 1.4.x release.
If the problem persists, you should possibly do as suggested in the error message and report it to Sun. They are in the best position to tell you wether it's a known problem and how to work around it.
 
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