java.lang.NullPointerException: This exception has no message.

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via Oracle Community by 3004, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at kodo.runtime.PersistenceManagerImpl.assertManaged(PersistenceManagerImpl.java:3231)
at kodo.runtime.PersistenceManagerImpl.retrieveAll(PersistenceManagerImpl.java:2275)
at kodo.runtime.PersistenceManagerImpl.retrieveAll(PersistenceManagerImpl.java:2355)
at kodo.runtime.PersistenceManagerImpl.retrieveAll(PersistenceManagerImpl.java:2349)

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