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Message-ID: <4A71C57A.6050907@christopherschultz.net>
Date: Thu, 30 Jul 2009 12:08:26 -0400
From: Christopher Schultz <chris@christopherschultz.net>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Tomcat is stopped any errors
References: <a74eaf760907300813p1766c31ex348a20ab7ba2df5e@mail.gmail.com>
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Chun,

On 7/30/2009 11:13 AM, Lin Chun wrote:
> I got a problem. Tomcat [has] stopped without any errors, I think it might be
> the crash of JVM , when Tomcat is running  I got the infos of heap.
>
> Heap Configuration:
>    MinHeapFreeRatio = 40
>    MaxHeapFreeRatio = 70
>    MaxHeapSize      = 536870912 (512.0MB)
>    NewSize          = 655360 (0.625MB)
>    MaxNewSize       = 4294901760 (4095.9375MB)
>    OldSize          = 1441792 (1.375MB)
>    NewRatio         = 8
>    SurvivorRatio    = 8
>    PermSize         = 16777216 (16.0MB)
>    MaxPermSize      = 67108864 (64.0MB)

Was this heap configuration observed before the crash? Or, after you
restarted Tomcat?

If the JVM crashed, you should get a message like this:

# An unexpected error has been detected by Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0xffffe410, pid=30854, tid=3084593920
#
# Java VM: Java HotSpot(TM) Client VM (11.3-b02 mixed mode, sharing
linux-x86)
# Problematic frame:
# C  [+0x410]  __kernel_vsyscall+0x10
#
# An error report file with more information is saved as:
# /home/chris/projects/diagnosis/hs_err_pid30854.log
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#

on stdout or stderr (probably stderr, I didn't check).

Note that a log file was created with crash details.

Check logs/catalina.out or any log file for something like that in it.
If you see such a message, post the log file created by the crash and
we'll take a look at it. In any case, post the last 10 or so lines of
catalina.out so we can take a look.

Otherwise, we aren't really going to be able to help because you haven't
really provided any information about your problem.

- -chris
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