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From andy susanto <ibsolut...@gmail.com>
Subject Re: Tomcat dies suddenly
Date Thu, 04 Feb 2010 02:10:27 GMT
Hai,

Tomcat has a bug at Linux OS. you need to added LD_LIBRARY_KERNEL to
your profile. it mean that you should know what version that your OS
is using

-- 
Regards,

Andy Susanto,S.Kom
======================================================
CV : http://www.linkedin.com/pub/andy-susanto/7/533/baa

On Thu, Feb 4, 2010 at 8:07 AM, Carl <carl@etrak-plus.com> wrote:
> Chris,
>
> Interesting idea.  I tried over the weekend to force that situation with
> JMeter hitting a simple jsp that did some data stuff and created a small
> display.  I pushed it to the point that there were entries in the log
> stating it was out of memory (when attempting to GC, I think) but it just
> slowed way down and never crashed.  I could see from VisualJVM that it had
> used the entire heap but, again, I could never get it to crash.
>
> Strange because it doesn't have the classic signs (slowing down or throwing
> out of memory exceptions or freezing), it just disappears without any
> tracks.  I am certain there is a reason somewhere, I just haven't found it
> yet.
>
> Thanks for your suggestions,
>
> Carl
>
> ----- Original Message ----- From: "Christopher Schultz"
> <chris@christopherschultz.net>
> To: "Tomcat Users List" <users@tomcat.apache.org>
> Sent: Wednesday, February 03, 2010 5:45 PM
> Subject: Re: Tomcat dies suddenly
>
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Chuck,
>>
>> On 2/3/2010 5:00 PM, Caldarale, Charles R wrote:
>>>>
>>>> From: Carl [mailto:carl@etrak-plus.com]
>>>> Subject: Re: Tomcat dies suddenly
>>>
>>>> I am hoping I can see failure at the point of failure
>>>> with the heap dump options
>>>
>>> That won't have any effect on the Linux OOM killer.  If it is the OOM
>>> killer taking out Tomcat, the JVM will not receive any notification - all
>>> threads will just be terminated with extreme prejudice.  There won't be a
>>> chance for the heap dump to happen.
>>
>> Maybe what Carl should try is to actually cause an OOME without
>> triggering the "OOM Killer".
>>
>> Carl: you said that everything is copacetic when you run with a smaller
>> heap, right? Well, run with that smaller heap, but then write a simply
>> servlet/JSP/whatever that just allocates huge, say, byte[] buffers until
>> it gets an OOME and verify that you get a heap dump when that happens.
>>
>> - -chris
>> -----BEGIN PGP SIGNATURE-----
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>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
>>
>> iEYEARECAAYFAktp/JEACgkQ9CaO5/Lv0PBI0ACgmDLJVxM5xDiN5UIFsqqKRj7i
>> 2J8AoL8ENGsYxwudtFrLy+tZTzmr/rxC
>> =4yC9
>> -----END PGP SIGNATURE-----
>>
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>
>
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