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null 2016-08-16 10:14:47,518 INFO [stdout] (default task-8) at org.hibernate.collection.internal.AbstractPersistentCollection.openTemporarySessionForLoading(AbstractPersistentCollection.java:274) 2016-08-16 10:14:47,518 INFO [stdout] (default
java.lang.NullPointerException: null
2016-08-16 10:14:47,518 INFO  [stdout] (default task-8)     at org.hibernate.collection.internal.AbstractPersistentCollection.openTemporarySessionForLoading(AbstractPersistentCollection.java:274)
2016-08-16 10:14:47,518 INFO  [stdout] (default task-8)     at org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:201)	at org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:546)	at org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:133)	at org.hibernate.collection.internal.PersistentBag.iterator(PersistentBag.java:277)