I've an entity bean which references two other beans via a one2many bidirectional CMR relationship. Setting up everything unidirectionally was no problem, the Collection based CMR fields return what I expect. BTW, I use Integer PKs throughout.
To turn the unidirectional setup bidirectional, I added a cmr-field element to the ejb-relationship-role with the multiplicity Many. I also added abstract getOther() and setOther(OtherLocal) methods to the bean class and to the Local interface. I did not change jbosscmp-jdbc.xml (what would I have to change here?).
When I now get a local reference using findByPrimaryKey(4) (I know that there is an entity for pk=4, and JBoss gives it to me), JBoss throws exceptions as soon as I ask the bean for any of its fields:
java.sql.SQLException: Unable to load to deserialize result: java.io.EOFException
From the database log I see that the data is read from the database (MySQL). None of the other methods is ever called (I've put logging statements just about everywhere). I wonder why it should at all try to deserialize anything. There are only basic types in the tables. BTW, all the primary and foreign keys are properly defined in the database.
I did some research for this problem in the FAQ and the documentation, but there aren't that many examples of bidirectional relationsships around.
