java.lang.NullPointerException

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    NullPointerException in TypeResolver.visit for a @ElementCollection map

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors()
    2. EclipseLink (non-OSGi)
      EntityManagerSetupImpl.deploy
      1. org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:715)[org.eclipse.persistence.core-2.6.2.jar:na]
      2. org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:651)[org.eclipse.persistence.core-2.6.2.jar:na]
      3. org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:582)[org.eclipse.persistence.core-2.6.2.jar:na]
      4. org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.postConnectDatasource(DatabaseSessionImpl.java:818)[org.eclipse.persistence.core-2.6.2.jar:na]
      5. org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:762)[org.eclipse.persistence.core-2.6.2.jar:na]
      6. org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:265)[org.eclipse.persistence.jpa-2.6.2.jar:na]
      7. org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:731)[org.eclipse.persistence.jpa-2.6.2.jar:na]
      7 frames