> I made a test extracting javax.naming from rt.jar, uploading it to ppc
> and adding it to app classpath, but the exception is the same:
> NoClassDefFoundError: javax.naming.Referenceable.
>
> May be I have to extract something else?

I doubt... I guess you should ask the J9 support list for JNDI classes...
Maybe that is a known problem...

Roman