Java, Tomcat, Jetty, Resin

Has anyone successfully used Tomcat or any other Java servlet engines with Interworx? Any tips on integration such as setting up private VMs, shared VMs, etc?
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[SIZE=2]Seeing Interworx integrated with Tomcat would be awesome! (all complaints about Tomcat aside it is the most popular Java server environment).[/SIZE]
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[SIZE=2]Thanks,[/SIZE]
[SIZE=2]Cliff.[/SIZE]