WebSphereUowTransactionManager suspends synchronizations even without existing transaction (SPR-6167)

org.springframework.transaction/src/main/java/org/springframework/transaction/jta/WebSphereUowTransactionManager.java

@@ -268,7 +268,7 @@ public class WebSphereUowTransactionManager extends JtaTransactionManager
 		if (debug) {
 			logger.debug("Creating new transaction with name [" + definition.getName() + "]: " + definition);
 		}
-		SuspendedResourcesHolder suspendedResources = (existingTx && !joinTx ? suspend(null) : null);
+		SuspendedResourcesHolder suspendedResources = (!joinTx ? suspend(null) : null);
 		try {
 			if (definition.getTimeout() > TransactionDefinition.TIMEOUT_DEFAULT) {
 				this.uowManager.setUOWTimeout(uowType, definition.getTimeout());