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

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via Hibernate JIRA by Peter Fassev, 1 year ago
This exception has no message.
via Hibernate JIRA by Peter Fassev, 1 year ago
This exception has no message.
via Kuali JIRA by Garey Taylor, 1 year ago
This exception has no message.
via Stack Overflow by Frank Burns
, 2 years ago
java.lang.NullPointerException:
at java.lang.Integer.compareTo(Integer.java:928)
at java.lang.Integer.compareTo(Integer.java:955)
at org.hibernate.util.ComparableComparator.compare(ComparableComparator.java:13)
at org.hibernate.cache.ReadWriteCache$Lock.isPuttable(ReadWriteCache.java:460)
at org.hibernate.cache.ReadWriteCache.put(ReadWriteCache.java:155)
at org.hibernate.engine.CollectionLoadContext.addCollectionToCache(CollectionLoadContext.java:315)
at org.hibernate.engine.CollectionLoadContext.endLoadingCollection(CollectionLoadContext.java:203)
at org.hibernate.engine.CollectionLoadContext.endLoadingCollections(CollectionLoadContext.java:268)
at org.hibernate.engine.CollectionLoadContext.endLoadingCollections(CollectionLoadContext.java:249)
at org.hibernate.loader.Loader.endCollectionLoad(Loader.java:816)
at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:771)
at org.hibernate.loader.Loader.doQuery(Loader.java:690)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:221)
at org.hibernate.loader.Loader.loadCollection(Loader.java:1787)
at org.hibernate.loader.collection.BatchingCollectionInitializer.initialize(BatchingCollectionInitializer.java:52)
at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:60)
at org.hibernate.type.CollectionType.getCollection(CollectionType.java:490)
at org.hibernate.type.CollectionType.resolveKey(CollectionType.java:332)
at org.hibernate.type.CollectionType.assemble(CollectionType.java:234)
at org.hibernate.type.TypeFactory.assemble(TypeFactory.java:377)
at org.hibernate.cache.entry.CacheEntry.assemble(CacheEntry.java:85)
at org.hibernate.cache.entry.CacheEntry.assemble(CacheEntry.java:71)
at org.hibernate.event.def.DefaultLoadEventListener.assembleCacheEntry(DefaultLoadEventListener.java:510)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromSecondLevelCache(DefaultLoadEventListener.java:467)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:321)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:116)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:154)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:82)
at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:270)
at org.hibernate.type.ManyToOneType.assemble(ManyToOneType.java:173)
at org.hibernate.collection.PersistentList.initializeFromCache(PersistentList.java:324)
at org.hibernate.cache.entry.CollectionCacheEntry.assemble(CollectionCacheEntry.java:35)
at org.hibernate.event.def.DefaultInitializeCollectionEventListener.initializeCollectionFromCache(DefaultInitializeCollectionEventListener.java:130)
at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:48)
at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1422)
at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:219)
at org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:81)
at org.hibernate.collection.PersistentList.get(PersistentList.java:225)
at undefined.TestCase.main(TestCase.java:72)

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