NPE in StatefulSessionSynchronizationInterceptor

&amp#27;[0m&amp#27;[33m13:23:02,257 WARN  [org.jboss.as.txn] (default task-2) WFLYTX0027: The pre-jca synchronization org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronizationInterceptor$StatefulSessionSynchronization@7e989f associated with tx Local transaction (delegate=TransactionImple < ac, BasicAction: 0:ffff7f000101:-149dc41b:5f8f465e:32f status: ActionStatus.ABORTED >, owner=Local transaction context for provider JBoss JTA transaction provider) failed during after completion: java.lang.NullPointerException
	at org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronizationInterceptor.releaseInstance(StatefulSessionSynchronizationInterceptor.java:213)
	at org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronizationInterceptor.handleAfterCompletion(StatefulSessionSynchronizationInterceptor.java:299)
	at org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronizationInterceptor$StatefulSessionSynchronization.afterCompletion(StatefulSessionSynchronizationInterceptor.java:272)
	at org.jboss.as.txn.service.internal.tsr.JCAOrderedLastSynchronizationList.afterCompletion(JCAOrderedLastSynchronizationList.java:144)
	at org.wildfly.transaction.client.AbstractTransaction.performConsumer(AbstractTransaction.java:223)
	at org.wildfly.transaction.client.AbstractTransaction$AssociatingSynchronization.afterCompletion(AbstractTransaction.java:306)
	at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.afterCompletion(SynchronizationImple.java:96)
	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:545)
	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:472)
	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.cancel(TwoPhaseCoordinator.java:127)
	at com.arjuna.ats.arjuna.AtomicAction.cancel(AtomicAction.java:215)
	at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.rollback(TransactionImple.java:283)
	at org.wildfly.transaction.client.provider.jboss.JBossLocalTransactionProvider$Entry.rollbackLocal(JBossLocalTransactionProvider.java:369)
	at org.wildfly.transaction.client.provider.jboss.JBossJTALocalTransactionProvider.rollbackLocal(JBossJTALocalTransactionProvider.java:132)
	at org.wildfly.transaction.client.LocalTransaction.rollback(LocalTransaction.java:99)
	at org.wildfly.transaction.client.AbstractTransaction.performConsumer(AbstractTransaction.java:241)
	at org.wildfly.transaction.client.AbstractTransaction.performConsumer(AbstractTransaction.java:247)
	at org.wildfly.transaction.client.AbstractTransaction.performAction(AbstractTransaction.java:267)
	at org.wildfly.transaction.client.provider.remoting.TransactionServerChannel.lambda$handleUserTxnRollback$0(TransactionServerChannel.java:224)
	at org.wildfly.security.auth.server.SecurityIdentity.runAsConsumer(SecurityIdentity.java:376)
	at org.wildfly.security.auth.server.Scoped.runAsConsumer(Scoped.java:112)
	at org.wildfly.security.auth.server.Scoped.runAs(Scoped.java:60)
	at org.wildfly.transaction.client.provider.remoting.TransactionServerChannel.handleUserTxnRollback(TransactionServerChannel.java:221)
	at org.wildfly.transaction.client.provider.remoting.TransactionServerChannel$ReceiverImpl.handleMessage(TransactionServerChannel.java:100)
	at org.jboss.remoting3.remote.RemoteConnectionChannel.lambda$handleMessageData$3(RemoteConnectionChannel.java:430)
	at org.jboss.remoting3.EndpointImpl$TrackingExecutor.lambda$execute$0(EndpointImpl.java:991)
	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
	at org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1280)
	at java.lang.Thread.run(Thread.java:748)