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From Stefan Fleiter <>
Subject Monitoring different Contexts with JMX MBean
Date Fri, 17 Sep 2004 15:41:46 GMT

I try to do my first steps with the java server platform and have chosen 
Tomcat for this.

I wrote a class which is able to Monitor the database pools of a Context
when beeing called out of it.
I only had to use JNDI to iterate over "comp/env/jdbc" and cast the 
DataSource instances to a BasicDataSource.

Now I want to implement an MBean which is able to monitor the pools of 
all Contexts of Tomcat.

I even don't know whether this is possible, but hope to get some help.

Now my concrete questions:

  - Can I somehow change the Context my code is executed in?
  - If not: How do I get instances of all JNDI DataSource for all
    Contexts ?

  - Where do I have to put my MBean .class-files?
    In the webapps dir or somewhere else?

  - How can I make Tomcat register my MBeans at startup?

Thanks a lot in advance,

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