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From "Martin Gainty" <>
Subject Re: Tomcat Crashing -- how do I read the resulting hs_err_pid11598.log?
Date Thu, 20 Jul 2006 15:16:03 GMT
Good Morning Darryl-

make certain your HW is rock solid 
then I would inquire
When does the memory allocation happen (e.g. at Tomcat startup. at webapp init, when processing
big and bulky PDF's)
check the logs at $TOMCAT_HOME/logs
If its tomcat crashing (misconfigured server.xml or JVM bug check jakarta_service_YYYYMMDD.log)
If its a genuine error (thrown to stderr) look at stderr_YYYYMMDD.log
If its webapp specific check the stdout_YYYYMMDD.log AND/OR catalina.out

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----- Original Message ----- 
From: "Darryl Miles" <>
To: "Tomcat Users List" <>
Sent: Thursday, July 20, 2006 7:31 AM
Subject: Re: Tomcat Crashing -- how do I read the resulting hs_err_pid11598.log?

> Kim Albee wrote:
>> The box has 4GB of RAM on it, and has experienced a memory failure.  We
>> tested the physical RAM on the server, and it failed 2 extended memory
>> tests, so we replaced the RAM.  We also saw that the swap space was only at
>> 1.5GB, so we upped that to 6.5 GB.
> For most real-time client serving applications using any swap space to 
> service any part of those requests is counter productive.
> It only makes sense if you are using the swap as some form of data 
> backing store, but then you have to ask why not just leave it in a file 
> anyway.  The most natural backing store.
>> so my question is:  how do I read/interpret the hs_err_pid11598.log file so
>> I can figure out what is happening here?
> First have you found the file ?  Its usualy in the current working 
> directory of the JVM.
> find / -name "hs_err_pid11598.log" 2>/dev/null
> Darryl
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