WARN  [com.arjuna.ats.jta] (XNIO-1 task-1) ARJUNA016138: Failed to enlist XA resource Subordinate XAResource at http://127.0.0.1:8081/wildfly-services: java.lang.NullPointerException
 at org.wildfly.transaction.client.SubordinateXAResource.lookup(SubordinateXAResource.java:189)
 at org.wildfly.transaction.client.SubordinateXAResource.start(SubordinateXAResource.java:132)
 at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.enlistResource(TransactionImple.java:662)
 at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.enlistResource(TransactionImple.java:423)
 at org.wildfly.transaction.client.LocalTransaction.enlistResource(LocalTransaction.java:169)
 at org.wildfly.transaction.client.XAOutflowedResources.getOrEnlist(XAOutflowedResources.java:62)
 at org.wildfly.transaction.client.RemoteTransactionContext.outflowTransaction(RemoteTransactionContext.java:222)
 at org.wildfly.httpclient.ejb.HttpEJBReceiver.writeTransaction(HttpEJBReceiver.java:410)
 at org.wildfly.httpclient.ejb.HttpEJBReceiver.marshalEJBRequest(HttpEJBReceiver.java:360)
 at org.wildfly.httpclient.ejb.HttpEJBReceiver.lambda$processInvocation$1(HttpEJBReceiver.java:176)
 at org.wildfly.httpclient.common.HttpTargetContext$1.lambda$completed$0(HttpTargetContext.java:333)
 at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
 at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
 at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
 at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1349)
 at java.lang.Thread.run(Thread.java:748)


WARN  [com.arjuna.ats.jta] (Periodic Recovery) ARJUNA016009: Caught:: java.lang.NullPointerException
 at org.wildfly.transaction.client.SubordinateXAResource.recover(SubordinateXAResource.java:201)
 at org.wildfly.transaction.client.SubordinateXAResource.recover(SubordinateXAResource.java:197)
 at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.xaRecoveryFirstPass(XARecoveryModule.java:609)
 at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.periodicWorkFirstPass(XARecoveryModule.java:201)
 at com.arjuna.ats.internal.jta.recovery.arjunacore.XARecoveryModule.periodicWorkFirstPass(XARecoveryModule.java:146)
 at com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.doWorkInternal(PeriodicRecovery.java:765)
 at com.arjuna.ats.internal.arjuna.recovery.PeriodicRecovery.run(PeriodicRecovery.java:377)