NullPointerException when using an AtomicMap without a TransactionManagerLookup setup ------------------------------------------------------------------------------------- Key: ISPN-1089 URL: https://issues.jboss.org/browse/ISPN-1089 Project: Infinispan Issue Type: Bug Affects Versions: 5.0.0.CR1 Reporter: Emmanuel Bernard Assignee: Pedro Ruivo Fix For: 6.0.0.CR1 {code} org.infinispan.CacheException: Unable to start batch at org.infinispan.batch.BatchContainer.startBatch(BatchContainer.java:84) at org.infinispan.batch.AutoBatchSupport.startAtomic(AutoBatchSupport.java:44) at org.infinispan.atomic.AtomicHashMapProxy.put(AtomicHashMapProxy.java:160) at org.hibernate.ogm.type.descriptor.PassThroughGridTypeDescriptor$1.doBind(PassThroughGridTypeDescriptor.java:41) at org.hibernate.ogm.type.descriptor.BasicGridBinder.bind(BasicGridBinder.java:73) at org.hibernate.ogm.type.AbstractGenericBasicType.nullSafeSet(AbstractGenericBasicType.java:275) at org.hibernate.ogm.type.AbstractGenericBasicType.nullSafeSet(AbstractGenericBasicType.java:270) at org.hibernate.ogm.persister.OgmEntityPersister.createNewResultSetIfNull(OgmEntityPersister.java:875) at org.hibernate.ogm.persister.OgmEntityPersister.insert(OgmEntityPersister.java:859) at org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:79) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:273) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:265) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:184) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:383) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:133) at org.hibernate.ogm.test.embeddable.EmbeddableTest.testEmbeddable(EmbeddableTest.java:48) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at org.hibernate.testing.junit.functional.annotations.HibernateTestCase.runTest(HibernateTestCase.java:97) at org.hibernate.testing.junit.functional.annotations.HibernateTestCase.runBare(HibernateTestCase.java:85) at com.intellij.junit3.JUnit3IdeaTestRunner.doRun(JUnit3IdeaTestRunner.java:109) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:60) Caused by: java.lang.NullPointerException at org.infinispan.batch.BatchContainer.startBatch(BatchContainer.java:65) ... 37 more {code} A more descriptive exception would be nice. I did not have any NPE until I started to use AtomicMaps in Hibernate OGM. I now set a TransactionManagerLookup and it works.