* Open Source
* Platform Independent
* Use with any relational database that supports ANSI standard SQL (MySQL, Oracle, DB2, Sybase, Derby etc.)
* Deployable on any Java application server that supports the Servlet 2.3 specification
* jUDDI registry supports a clustered deployment configuration.
* Easy integration with existing authentication systems
* Supports InVM embeddable mode
I haven't tried, but from the above, it sounds like it should be possible to run it in weblogic too.