Hi Team,
I am getting an error while doing an select operation using JPA in an
App Engine application. From the logs I could see the following
exception mentioned below. While testing on local server application
is working fine. I am not able to trace out the real issue, it will be
of great help if someone can suggest any work around.
Thanks in Advance!
Exception:
javax.persistence.RollbackException: Transaction failed to commit
at
org.datanucleus.jpa.EntityTransactionImpl.commit(EntityTransactionImpl.java:
118)
at
org.datanucleus.store.appengine.jpa.DatastoreEntityTransactionImpl.commit(DatastoreEntityTransactionImpl.java:
50)
Caused By: Uncaught exception from servlet
javax.persistence.RollbackException: Transaction failed to commit
at
org.datanucleus.jpa.EntityTransactionImpl.commit(EntityTransactionImpl.java:
118)
at
org.datanucleus.store.appengine.jpa.DatastoreEntityTransactionImpl.commit(DatastoreEntityTransactionImpl.java:
50)
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