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From Amol Puglia <>
Subject Re: Tomcat Going down Frequently
Date Tue, 16 Nov 2010 09:42:34 GMT
Hello Andre,

Thanks for the updates. I am not using mod_jk , I am using proxy modules for redirecting request
from apache to tomcat.

As you said that there is problem in application code, Is there anything we can point out
where exactly is the problem in the code or configuration?

--- On Tue, 11/16/10, André Warnier <> wrote:

From: André Warnier <>
Subject: Re: Tomcat Going down Frequently
To: "Tomcat Users List" <>
Date: Tuesday, November 16, 2010, 2:54 PM

Amol Puglia wrote:
> Hello Pid,
> Thanks for the updates.It would be great if you could let us know whether the issue is
in application server or application.
> Also we are using apache to load balance tomcat instances using following modules.

You most probably are /not/ using all of the following modules.
Just having them in your configuration does not mean that you are actually using them.
If you have them in your configuration, and are not using them, then you are probably wasting
quite a bit of memory however.

> LoadModule proxy_module modules/
> LoadModule proxy_connect_module modules/
> LoadModule proxy_ftp_module modules/
> LoadModule proxy_http_module modules/
> LoadModule proxy_scgi_module modules/
> LoadModule proxy_ajp_module modules/
> LoadModule proxy_balancer_module modules/
> Is there anything we have to tune configuration on apache,tomcat or application,please
On the face of it, and considering that you are using mod_jk, my first recommendation as to
tuning would be to comment out all of the above.  You probably are not using any of them.

As others have already commented, your problem seems definitely to be in the tomcat application,
not in tomcat nor apache httpd.

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