On 16/04/2010 17:21, Peter Borkowski wrote:
> Hi folks,
> 
> we are facing a serious problem with our tomcat which shuts itself down
> after some time of running. this problem first arises after we switched
> to our new server.
> we are using tomcat 6.0.26 (also tried different other 5.5.x, 6.0.x
> versions).
> the "old" server was a 32 bit red hat enterprise linux system.
> the new server is a 64 bit debian 5 (also tried debian 6).
> 
> the log always gives us the following message, so as if the tomcat has
> been cleanly
> shutdown, which is really strange.
> 
> 16.04.2010 11:52:42 org.apache.coyote.http11.Http11Protocol pause
> INFO: Pausing Coyote HTTP/1.1 on http-8080
> 16.04.2010 11:52:43 org.apache.catalina.core.StandardService stop
> INFO: Stopping service Catalina
> 16.04.2010 11:52:43 org.apache.coyote.http11.Http11Protocol destroy
> INFO: Stopping Coyote HTTP/1.1 on http-8080

That looks like a fairly orderly shutdown to me.
What is immediately before it in this log and in the access logs at the
time?

> we also tried to switch the shutdown-message and the shutdown-port,
> without effect.

If something is calling an init.d/tomcat script then it won't matter.
Tomcat only listens on the localhost address for that message anyway.

> the tomcat process is started with a non-root-user. the server runs for
> 15 minutes to 8 hours before it happens.

To confirm: are you starting & stopping using a JSVC wrapper script?

Are there any cron jobs (or similar) which might interfere with the server?

Were there any users logged into the system at the time of shutdown?

Is there anything in the .bash_history (or whatever shell you're using)
of said user(s)?


p


> any suggestions or help would be nice.
> 
> cya, peter
> 
> 
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