[jboss-dev-forums] [JBoss AS7 Development] - Best way to initialize environment on deployment / startup?

[rushead]

rushead [http://community.jboss.org/people/rushead] created the discussion

"Best way to initialize environment on deployment / startup?"

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I am trying to port my war file from JBoss AS 5.1 to JBoss AS 7.
To provide a correct resource management I have to initialize my specific environment when the war file is deployed, before the Servlets are instantiated.
I already tried 2 ways:
1. Implementation of the environment initialization in a ServletContextListener*  The #contextInitialized is called when all Servlet are instantiated --> little too late...

2. Implementation of the environment initialization in another Servlet (in #init), use "<load-on-startup>"* The implemented servlet is always initialized after the normal Servlet (<load-on-startup> is ignored?!)
* The only difference between the two servlets is that the StartupServlet is implementing Servlet the "old" way and the real Servlet is using JaxWS (@WebService)


And now my questions:
* Why is the ServletContextListener called when all Servlets are instantiated?
* Why is "<load-on-startup>" ignored when the implementation differ only in the WS implementation?
* Last but not least: What is the best and usual way to initialize a custom environment for several servlets in a war file?* The initialization / startup servlet should run on Tomcat also if possible...
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