I'm trying to get a entity model to cascade merge.
When I call merge, sometimes the insert/update appears to succeed. Other times it fails:

From what I can tell, onMerge uses an org.hibernate.event.def.EventCache object based on IdentityMap. The IdentiyMap supports the entrySet method, but not the keySet method.

My objects do not override equals/hashcode and the model does have cycles, but when I look at the code for DefaultMergeEventListener in
http://fisheye.jboss.org/browse/Hiberna ... va?r=16664
the only way I can see for it to work is to totally avoid the inner loop.

Any ideas?

anybody have an answer for this????