In our project we are using a couple of embeddables (with some nullable attributes) as business keys so we have to use them often in queries via criteria api.
I ended up implementing a rather ugly workaround for adding "is null" instead of = ...

Hibernate should really do this automatically. Thanks!

This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira