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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: Tomcat crash @ midnight - but why?
Date Wed, 26 Sep 2007 14:08:20 GMT
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Martin,

Martin Cavanagh wrote:
> Hi guys, I'm still having this problem.
> 
> Its happened 3 times now.  Always at exactly midnight.  21.09, 25.09 and
> 26.09.

Strange. What is the uptime of your operating system? Perhaps it's being
rebooted every night?

> We have VM Ware Server as the hardware - could this cause the problem?

Probably not, but if there's some kind of warm backup going on where the
OS is suspended for the backup, you may be running into trouble. VMware
allows the OS to respond to events (such as SUSPEND and RESUME), and
it's possible that your VM is rigged to shut down some services on
SUSPEND. I doubt that very much, but it's certainly possible.

> In the config file there is the standard AJP port (8009) - what does
> this actually do?

If you are using a web server along with Tomcat, the AJP connector
allows the two to speak to one another. If you are using Tomcat all by
itself, you can safely disable this connector.

- -chris

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