Hi Leandro,

That's really cool idea you had used.  Do you mind sharing abit more on how you 
did it?

A newbie question here.. I downloaded and expanded probe.war file.  May I know 
the default user and password?

Thank you in advance.
wannabe



----- Original Message ----
From: Leandro Dardini <[EMAIL PROTECTED]>
To: Tomcat Users List <users@tomcat.apache.org>
Sent: Thursday, 4 September 2008 15:31:43
Subject: R: Monitor and report number of concurrent user



> -----Messaggio originale-----
> Da: Nix Hanwei [mailto:[EMAIL PROTECTED] 
> Inviato: giovedì 4 settembre 2008 5.19
> A: Tomcat Users List
> Oggetto: Monitor and report number of concurrent user
> 
> Hi Gurus,
> 
> May I know if there's scripts or suggestions for reporting 
> concurrent user in tomcat?
> 
> Thanks in advance,
> wannabe
> 
> 

The easy and dirty way is to query the manager application and grab the current 
session, running threads and other vars you are interested in. Be warned the 
manager application is not so easy to parse.
The correct path instead is to use JMX. JMX can be used to monitor all aspect 
of tomcat, like threads, sessions, etc. etc. If you use a jdk >= 1.5 then start 
adding -Dcom.sun.management.jmxremote to your JAVA_OPTIONS and then look at 
http://java.sun.com/j2se/1.5.0/docs/guide/management/agent.html and 
http://java.sun.com/jmx for details. There is already a nagios probe to get 
data via jmx http://www.nagiosexchange.org/cgi-bin/page.cgi?g=2338.html;d=1

I personally use the lambda probe application to monitor my tomcat farm from 
nagios. It is way too easy to parse.

Leandro

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