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java.lang.NullPointerException on OntToMany relation

 
Enrico Morelli
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Dear all,

I'm developing and application using JavaEE + JPA (Eclipse) and Glassfish.
I've the following entities:





Using the following code in I receive:
java.lang.NullPointerException
at DAO.RemoteUserDAO.create(RemoteUserDAO.java:33)




Where I'm wrong?
 
Enrico Morelli
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I tryed to add the following code to the RemoteUser class



and I modified the DAO in:



But I obtain the same NullPointerException in the line:
if (!getNmruser().contains(nmruser))
 
Enrico Morelli
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Thanks, I solved.
 
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