NPE during backup activation in collocated HA topology ------------------------------------------------------ Key: WFLY-5453 URL: https://issues.jboss.org/browse/WFLY-5453 Project: WildFly Issue Type: Bug Components: JMS Affects Versions: 10.0.0.CR2 Reporter: Miroslav Novak Assignee: Jeff Mesnil Priority: Critical Attachments: standalone-full-ha-1.xml, standalone-full-ha-2.xml If there are 2 EAP 7.0.0.DR11(Artemis 1.1.0) in collocated HA topology with replicated journal then backup does not activate after one server is killed. There is NPE in log of 2nd EAP server: {code} 10:13:12,231 ERROR [org.apache.activemq.artemis.core.server] (AMQ119000: Activation for server ActiveMQServerImpl::serverUUID=null) AMQ224000: Failure in initialisation: java.lang.NullPointerException at org.apache.activemq.artemis.core.server.impl.SharedNothingBackupActivation.run(SharedNothingBackupActivation.java:235) at java.lang.Thread.run(Thread.java:745) 10:13:12,235 ERROR [stderr] (AMQ119000: Activation for server ActiveMQServerImpl::serverUUID=null) java.lang.NullPointerException 10:13:12,235 ERROR [stderr] (AMQ119000: Activation for server ActiveMQServerImpl::serverUUID=null) at org.apache.activemq.artemis.core.server.impl.SharedNothingBackupActivation.run(SharedNothingBackupActivation.java:235) 10:13:12,236 ERROR [stderr] (AMQ119000: Activation for server ActiveMQServerImpl::serverUUID=null) at java.lang.Thread.run(Thread.java:745) {code} Attaching configuration of both of the servers.