Meanwhile I tested my class mappings using DERBY in place of INFORMIX.
With DERBY everything runs fine - but unfortunately that does not help
because the application runs on INFORMIX.
So this seems to be a bug in the Toplink implementation for INFORMIX
outer joins ...
Regards
Bernd
[Message sent by forum member 'bernd_zedv' (bernd_zedv)]
http://forums.java.net/jive/thread.jspa?messageID=233588