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From Pid <...@pidster.com>
Subject Re: Tomcat dies suddenly
Date Tue, 23 Feb 2010 13:50:40 GMT
On 23/02/2010 13:46, André Warnier wrote:
> Carl wrote:
> ...
>>
>> One more event that may or may not be related.
> If it is related, then indeed the time for exorcism may be reached.
>
> I have not touched the
>> original server (C)
>
> (they all say that)
>
> except to roll new war's out (almost nightly...
>> minor bug fixes.) This morning, it started producing these messages
>> every 10 seconds:
>>
>> Feb 23, 2010 5:50:01 AM org.apache.catalina.loader.WebappClassLoader
>> modified
>> INFO: Additional JARs have been added
>> Feb 23, 2010 5:50:01 AM org.apache.catalina.core.StandardContext reload
>> INFO: Reloading this Context has started

Check the server time hasn't drifted.  Sometimes this can happen if the 
files have timestamps that are out.


p


> Let's say that this is not directly related, and that you're just
> afflicted with an incredibly bad karma these days.
>
> If you have a Manager application running, this might indicate that
> someone broke into it and is actually loading his own apps into your
> server. Maybe changing the password of the Manager app would be a good
> idea at this point, along with having a check if you really know all the
> apps which are running. Along also with a netstat check of the
> connections which your Tomcat is making to the outside world.
> Other than that, I'll widly hypothesize (..tise ? ..sise ?):
> - that in order to realise that something has changed, Tomcat must
> somewhere be keeping a list of current applications, along with
> timestamps of some sort
> - that if Tomcat were somehow unable to update that list of
> apps/timestamps and kept always the old value, then it would always
> think that your new apps are new, and keep on reloading them
>
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