I kept calling "ant -Dtest-mask=ClientSessionStopStartTest integration-tests" until it failed... (about 4 times): | [echo] | [junit] Running org.jboss.messaging.tests.integration.client.ClientSessionStopStartTest | [junit] main 08:20:24,939 INFO [UnitTestCase] ###### starting test testStopStartConsumerSyncReceiveImmediate | [junit] main 08:20:25,019 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] main 08:20:25,284 INFO [UnitTestCase] ###### starting test testStopStartConsumerSyncReceive | [junit] main 08:20:25,285 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] main 08:20:26,316 INFO [UnitTestCase] ###### starting test testStopStartConsumerAsyncSyncStoppedByHandler | [junit] main 08:20:26,317 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] main 08:20:26,463 INFO [UnitTestCase] ###### starting test testStopStartConsumerAsyncSync | [junit] main 08:20:26,464 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] Thread-3 (group:jbm-pinger-threads-169081233) 08:20:36,467 WARN [RemotingConnectionImpl] Connection failure has been detected Did not receive pong from server, active true client true:2 | [junit] main 08:20:36,480 WARN [ClientConsumerImpl] Timed out waiting for handler to complete processing | [junit] main 08:20:36,485 INFO [UnitTestCase] ###### starting test testStopStartConsumerAsyncASyncStoppeeByHandler | [junit] main 08:20:36,486 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] main 08:20:36,712 INFO [UnitTestCase] ###### starting test testStopStartConsumerAsyncASync | [junit] main 08:20:36,713 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] main 08:20:36,933 INFO [UnitTestCase] ###### starting test testStopStartMultipleConsumers | [junit] main 08:20:36,934 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] consumer = messages in buffer = 2 | [junit] consumer2 = messages in buffer = 4 | [junit] consumer3 = messages in buffer = 5 | [junit] Thread-29 08:20:36,962 WARN [RemotingConnectionImpl] Connection failure has been detected The connection has been closed by the server:102 | [junit] Thread-29 08:20:36,962 WARN [RemotingConnectionImpl] Connection failure has been detected The connection has been closed by the server:102 | [junit] main 08:20:36,964 INFO [UnitTestCase] ###### starting test testStopStartAlreadyStartedSession | [junit] main 08:20:36,964 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] main 08:20:36,985 INFO [UnitTestCase] ###### starting test testStopAlreadyStoppedSession | [junit] main 08:20:36,986 WARN [SecurityStoreImpl] It has been detected that the cluster admin password which is used to replicate management operation from one node to the other has not had its password changed from the installation default. Please see the JBoss Messaging user guide for instructions on how to do this. | [junit] Tests run: 9, Failures: 0, Errors: 1, Time elapsed: 12.451 sec | [junit] Test org.jboss.messaging.tests.integration.client.ClientSessionStopStartTest FAILED | This is one of the Failures that will eventually happen: | | Connection is destroyed | | MessagingException[errorCode=2 message=Connection is destroyed] | at org.jboss.messaging.core.remoting.impl.RemotingConnectionImpl$ChannelImpl.sendBlocking(RemotingConnectionImpl.java:1072) | at org.jboss.messaging.core.client.impl.ClientSessionImpl.stop(ClientSessionImpl.java:627) | at org.jboss.messaging.tests.integration.client.ClientSessionStopStartTest.testStopStartConsumerAsyncSync(ClientSessionStopStartTest.java:317 | I have also seen another Failure.... Let me try to reproduce the other one? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4221568#... 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