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From "Bruno Vilardo" <bruno.vila...@gmail.com>
Subject RE: Tomcat 4.1 Issue - Strange
Date Tue, 28 Nov 2006 23:58:27 GMT
Hello Chris,

Thanks for the reply.

Yes I can give you details about the hardware configuration.

It is a Linux Server running Suse 9, 4 CPU 3GHZ, 8GB Memory. Not sure about
the Disk layout(if this is what you mean). I know that they are using Raid
10 with reiser File System.

I have access to the box, is there any idea to check that it is a hardware
issue? I will check in the "messages" file to see some strange hardware
errors.

What type of hardware issue could be involved? Memory ?? Disk ?? perhaps an
OS patch?

Thanks again for the help !!
Regards,

Bruno

-----Original Message-----
From: Christopher Schultz [mailto:chris@christopherschultz.net] 
Sent: terça-feira, 28 de novembro de 2006 20:27
To: Tomcat Users List
Subject: Re: Tomcat 4.1 Issue - Strange

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Hash: SHA1

Bruno,

Bruno Vilardo wrote:
> Tomcat 4.1
> Java 1.4.2_08-b03
> 
> We have done a migration process from one server to another.
> After the migration, everyday now our TOMCAT crashes/stop on its own.
> I checked the tomcat log and I could find the error bellow:
> 
> Heap at VM Abort:
>
> [snip]
>
> # HotSpot Virtual Machine Error : 11

Can you check the file "hs_err_pid22350.log" as mentioned in the error
message and confirm that the problem is SIG 11 or SIGSEGV? That would be
a segmentation violation, or "seg fault", indicating that your app
(Java, really) has dereferenced a pointer which pointed to memory
outside of its allocated memory (or dereferenced a NULL pointer).

This is almost always caused by bad hardware.

What type of machine is this? What architecture, etc.? Do you have
physical access to the server? Do you have another piece of hardware
that you can test this on? I'm willing to bet that the hardware is the
problem and not any of your software or configuration.

- -chris

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