Tomcat and long startup time (hibernate)

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Tomcat and long startup time (hibernate)

Tomcat and long startup time (hibernate)

2006-11-21 - By Mike Quilleash

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Reply: 1 2 3 4 5

Hi there,

I am working on a new J2EE web project for which I intend to use JSF 1.2
with facelets and hibernate 3 running inside Tomcat 6. Everything is
working fine but I have a developing issue I would like to try and work
around.

I am building a global hibernate session factory, which is stored in a
static singleton, in a ServletContextListener so it is available when
the JSF application starts. In the development process I'm constantly
editing the JSF Java code and display pages and redeploying the web app.
Each time I do this the hibernate layer has to reinitialise which takes
about 30-40 seconds.

My question is, is there anyway in Tomcat of moving/configuring the
hibernate intialisation (and more generally any heavy initialisation
code) so that I can redeploy the JSF application quickly without
reinitialising hibernate? Something along the lines of having Tomcat
doing the heavy initialisation once but separate from the JSF
application so I can redeploy the JSF without incurring the hibernate
startup each time? I thought about a different deployed application
with the hibernate logic but I'm not sure how to do this and I'm also
not sure about classloading issues; can the JSF app "see" the hibernate
static if it is loaded in different webapp/context.

I develop/debug on IDEA6 using it's Tomcat plugin.

Appreciate any help or suggestions. I'm new to Tomcat so I apologise if
any of the terminology is wrong. I am happy to provide more detail
clarifications if required.

Thanks in advance.

Mike.

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