Database transaction lock occuring during two phase commit

Issue

• threads are locked processing 2 phase commit as below.

default-threads - 49" prio=10 tid=0x0000000002612000 nid=0x3b3e runnable [0x00007f45600be000]
   java.lang.Thread.State: RUNNABLE
        at java.io.UnixFileSystem.getBooleanAttributes0(Native Method)
        at java.io.UnixFileSystem.getBooleanAttributes(UnixFileSystem.java:242)
        at java.io.File.exists(File.java:813)
        at com.arjuna.ats.internal.arjuna.objectstore.FileSystemStore.exists(FileSystemStore.java:726)
        at com.arjuna.ats.internal.arjuna.objectstore.ShadowingStore.currentState(ShadowingStore.java:80)
        at com.arjuna.ats.internal.arjuna.objectstore.ShadowingStore.remove_state(ShadowingStore.java:464)
        at com.arjuna.ats.internal.arjuna.objectstore.FileSystemStore.remove_committed(FileSystemStore.java:116)
        at com.arjuna.ats.arjuna.coordinator.BasicAction.updateState(BasicAction.java:3144)
        at com.arjuna.ats.arjuna.coordinator.BasicAction.phase2Commit(BasicAction.java:1871)
        - locked <0x00000007bfadd800> (a com.arjuna.ats.internal.jta.transaction.arjunacore.AtomicAction)
        at com.arjuna.ats.arjuna.coordinator.BasicAction.End(BasicAction.java:1504)
        - locked <0x00000007bfadd800> (a com.arjuna.ats.internal.jta.transaction.arjunacore.AtomicAction)
        at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:98)
        at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:162)
        at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1189)
        at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:126)
        at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:75)
        at org.jboss.as.ejb3.inflow.MessageEndpointInvocationHandler.afterDelivery(MessageEndpointInvocationHandler.java:72)
        at sun.reflect.GeneratedMethodAccessor246.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.jboss.as.ejb3.inflow.AbstractInvocationHandler.handle(AbstractInvocationHandler.java:60)
        at org.jboss.as.ejb3.inflow.MessageEndpointInvocationHandler.doInvoke(MessageEndpointInvocationHandler.java:136)
        at org.jboss.as.ejb3.inflow.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:73)
        at com.sun.proxy.$Proxy16.afterDelivery(Unknown Source)
        at org.apache.activemq.ra.MessageEndpointProxy$MessageEndpointAlive.afterDelivery(MessageEndpointProxy.java:128)
        at org.apache.activemq.ra.MessageEndpointProxy.afterDelivery(MessageEndpointProxy.java:69)
        at org.apache.activemq.ra.ServerSessionImpl.afterDelivery(ServerSessionImpl.java:225)
        at org.apache.activemq.ActiveMQSession.run(ActiveMQSession.java:996)
        at org.apache.activemq.ra.ServerSessionImpl.run(ServerSessionImpl.java:169)
        at org.jboss.jca.core.workmanager.WorkWrapper.run(WorkWrapper.java:218)
        at org.jboss.threads.SimpleDirectExecutor.execute(SimpleDirectExecutor.java:33)
        at org.jboss.threads.QueueExecutor.runTask(QueueExecutor.java:808)
        at org.jboss.threads.QueueExecutor.access$100(QueueExecutor.java:45)
        at org.jboss.threads.QueueExecutor$Worker.run(QueueExecutor.java:849)
        at java.lang.Thread.run(Thread.java:745)
        at org.jboss.threads.JBossThread.run(JBossThread.java:122)