How Do I Find the no of connections in Tomcat?

[Paul Dubuc]

Mark Elsen wrote:
>
> �
>
>     Hi all,
>
>     I'm very new to Nagios. I have certain doubts.
>
>
>     I need to find a way to find the number of tomcat connections. More
>     precisely, I need to know:
>
>     If Number of connections (< 500 for 1 min) or else alert.
>
>
>     Is that possible to do so ?
>
>
> � There are a number of plugins out there to monitor tomcat ; google on
>
> � � check_tomcat
> � � check_tomcatapplication
> � � check_tomcatsessions
>

Also jmx4perl (http://labs.consol.de/lang/de/jmx4perl/) supports Tomcat and 
comes has a configuration file with session related checks; one that does 
measure the number of connections per minute (tc_session_inc in tomcat.cfg). 
I haven't used it since we don't use Tomcat but jmx4perl is a great package to 
have for monitoring using JMX.


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