[Zope] Java Port

Did anyone try to port Zope to Java (using JPython)? But why do I think it's nice to have a Java-Zope? - using Java classes with Zope - running servlets and/or running Zope as servlet - performance could benefit from JIT compilers or compile Zope as native binary (gcj) - portability? not sure if Java is more portable than Python ;) Smoerk