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Hibernate throwing exception on insert on one-to-many

 
Desiree Rguez.
Greenhorn
Posts: 6
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Hello, I have the following DB tables:



One DSNValue can has a list of DSAreas.
These are the mapping files:



And when I create a new DSNValue I hace the following code:



t.commit throws a NullPointerException, but in the hibernate log I can see the INSERT statements an its values and they are ok. For selecting the DB elements this mapping configuration works fine. What can be happening?


 
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