HA JMS Topic Subscriber of Colocated life backup symmetrical 2 nodes cluster violates Publish-Subscribe pattern. ---------------------------------------------------------------------------------------------------------------- Key: WFLY-5795 URL: https://issues.jboss.org/browse/WFLY-5795 Project: WildFly Issue Type: Bug Components: JMS Affects Versions: 10.0.0.CR4 Environment: 2 node symmetrical colocated life backup cluster (domain mode). Configuration (domain.xml, host.xml) provided as attachment. Reporter: Michal Sudra Assignee: Jeff Mesnil Priority: Critical Fix For: 10.0.0.Final Attachments: ClusteredTopicTest.java, domain.xml, host-slave.xml, host.xml Test Client is producing 10 messages on topic on node 1 and 2 consumers connected to node 1 and the other to node 2 are then consuming the messages. Expectation: Every consumer receives 10 Messages. Result of test: Consumer connected to node 1 is only getting every second message. Consumer connected to node 2 is receiving all 10 messages: Output of test program: Sent message: This is text message 0 Sent message: This is text message 1 Sent message: This is text message 2 Sent message: This is text message 3 Sent message: This is text message 4 Sent message: This is text message 5 Sent message: This is text message 6 Sent message: This is text message 7 Sent message: This is text message 8 Sent message: This is text message 9 0 Recieved message: This is text message 0 from node 0 from java:/jms/topic/ClusterStateTopic 1 Recieved message: This is text message 2 from node 0 from java:/jms/topic/ClusterStateTopic 2 Recieved message: This is text message 4 from node 0 from java:/jms/topic/ClusterStateTopic 3 Recieved message: This is text message 6 from node 0 from java:/jms/topic/ClusterStateTopic 4 Recieved message: This is text message 8 from node 0 from java:/jms/topic/ClusterStateTopic 5 error receiving message from node 0 6 error receiving message from node 0 7 error receiving message from node 0 8 error receiving message from node 0 9 error receiving message from node 0 0 Recieved message: This is text message 0 from node 1 from java:/jms/topic/ClusterStateTopic 1 Recieved message: This is text message 1 from node 1 from java:/jms/topic/ClusterStateTopic 2 Recieved message: This is text message 2 from node 1 from java:/jms/topic/ClusterStateTopic 3 Recieved message: This is text message 3 from node 1 from java:/jms/topic/ClusterStateTopic 4 Recieved message: This is text message 4 from node 1 from java:/jms/topic/ClusterStateTopic 5 Recieved message: This is text message 5 from node 1 from java:/jms/topic/ClusterStateTopic 6 Recieved message: This is text message 6 from node 1 from java:/jms/topic/ClusterStateTopic 7 Recieved message: This is text message 7 from node 1 from java:/jms/topic/ClusterStateTopic 8 Recieved message: This is text message 8 from node 1 from java:/jms/topic/ClusterStateTopic 9 Recieved message: This is text message 9 from node 1 from java:/jms/topic/ClusterStateTopic The test program is added and the 2 node names are given as parameters for main.