Failed to start advertise listener: java.net.BindException: Address already in use ---------------------------------------------------------------------------------- Key: MODCLUSTER-524 URL: https://issues.jboss.org/browse/MODCLUSTER-524 Project: mod_cluster Issue Type: Bug Components: Core & Container Integration (Java) Affects Versions: 1.3.2.Final Reporter: Bogdan Sikora Assignee: Radoslav Husar {noformat} 2016-07-15 04:26:41,229 INFO [org.jboss.modcluster] (ServerService Thread Pool -- 64) MODCLUSTER000001: Initializing mod_cluster version 1.3.2.Final-redhat-1 2016-07-15 04:26:41,247 ERROR [org.jboss.modcluster] (ServerService Thread Pool -- 64) MODCLUSTER000034: Failed to start advertise listener: java.net.BindException: Address already in use: Cannot bind at java.net.TwoStacksPlainDatagramSocketImpl.bind0(Native Method) at java.net.TwoStacksPlainDatagramSocketImpl.bind0(TwoStacksPlainDatagramSocketImpl.java:107) at java.net.AbstractPlainDatagramSocketImpl.bind(AbstractPlainDatagramSocketImpl.java:93) at java.net.TwoStacksPlainDatagramSocketImpl.bind(TwoStacksPlainDatagramSocketImpl.java:97) at java.net.DatagramSocket.bind(DatagramSocket.java:392) at java.net.MulticastSocket.<init>(MulticastSocket.java:172) at java.net.MulticastSocket.<init>(MulticastSocket.java:136) at org.jboss.modcluster.advertise.impl.MulticastSocketFactoryImpl.createMulticastSocket(MulticastSocketFactoryImpl.java:74) at org.jboss.modcluster.advertise.impl.AdvertiseListenerImpl.init(AdvertiseListenerImpl.java:145) at org.jboss.modcluster.advertise.impl.AdvertiseListenerImpl.start(AdvertiseListenerImpl.java:165) at org.jboss.modcluster.ModClusterService.init(ModClusterService.java:181) at org.wildfly.mod_cluster.undertow.UndertowEventHandlerAdapter.start(UndertowEventHandlerAdapter.java:100) at org.wildfly.clustering.service.AsynchronousServiceBuilder$1.run(AsynchronousServiceBuilder.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at org.jboss.threads.JBossThread.run(JBossThread.java:320) {noformat}