UDP unable to bind to ephemeral port: port out of range:65536 ------------------------------------------------------------- Key: JGRP-1864 URL: https://issues.jboss.org/browse/JGRP-1864 Project: JGroups Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 3.4.4 Reporter: Dan Berindei Assignee: Bela Ban Priority: Minor Fix For: 3.4.5, 3.5 It looks like {{UDP.createEphemeralDatagramSocket()}} swallows any errors it gets while creating the socket, and throws this exception after trying to bind to all ports in the 0 - 65535 range: {noformat} java.lang.IllegalArgumentException: port out of range:65536 at java.net.InetSocketAddress.checkPort(InetSocketAddress.java:143) at java.net.InetSocketAddress.<init>(InetSocketAddress.java:185) at java.net.DatagramSocket.<init>(DatagramSocket.java:284) at org.jgroups.util.DefaultSocketFactory.createDatagramSocket(DefaultSocketFactory.java:62) at org.jgroups.protocols.UDP.createEphemeralDatagramSocket(UDP.java:429) at org.jgroups.protocols.UDP.createSockets(UDP.java:311) at org.jgroups.protocols.UDP.start(UDP.java:216) at org.jgroups.stack.ProtocolStack.startStack(ProtocolStack.java:966) at org.jgroups.JChannel.startStack(JChannel.java:889) at org.jgroups.JChannel._preConnect(JChannel.java:547) at org.jgroups.JChannel.connect(JChannel.java:282) at org.jgroups.JChannel.connect(JChannel.java:273) at org.infinispan.remoting.transport.jgroups.JGroupsTransport.startJGroupsChannelIfNeeded(JGroupsTransport.java:200) {noformat}