[jboss-remoting-issues] [JBoss JIRA] (JBREM-1302) Can't invoke remote object if server bind address is 0.0.0.0

Can't invoke remote object if server bind address is 0.0.0.0 ------------------------------------------------------------ Key: JBREM-1302 URL: https://issues.jboss.org/browse/JBREM-1302 Project: JBoss Remoting Issue Type: Bug Security Level: Public(Everyone can see) Components: transport Affects Versions: 2.5.4.SP3 Environment: Jboss 5.1.0 jdk 1.6 jboss remoting 2.5.4.SP2 Reporter: Sergey Chernov Assignee: Ron Sigal Fix For: 2.5.4.SP4 When jboss bind address is set to `0.0.0.0` remote client gets exception while trying to invoke remote object's method: java.rmi.ConnectException: Connection refused to host: lx4-schernov.nn.five9.com; nested exception is: java.net.ConnectException: Connection refused: connect at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601) at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198) at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:110) at org.jboss.remoting.transport.rmi.RMIServerInvoker_Stub.transport(Unknown Source) at org.jboss.remoting.transport.rmi.RMIClientInvoker.callTransport(RMIClientInvoker.java:648) at org.jboss.remoting.transport.rmi.RMIClientInvoker.access$100(RMIClientInvoker.java:78) at org.jboss.remoting.transport.rmi.RMIClientInvoker$1.run(RMIClientInvoker.java:402) at org.jboss.util.threadpool.RunnableTaskWrapper.run(RunnableTaskWrapper.java:147) at org.jboss.util.threadpool.BasicThreadPool.executeOnThread(BasicThreadPool.java:473) at org.jboss.util.threadpool.BasicThreadPool.runTaskWrapper(BasicThreadPool.java:201) at org.jboss.remoting.transport.rmi.RMIClientInvoker.transport(RMIClientInvoker.java:420) at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:169) at org.jboss.remoting.Client.invoke(Client.java:2070) at org.jboss.remoting.Client.invoke(Client.java:879) at org.jboss.remoting.Client.invoke(Client.java:867) at org.jboss.remoting.transporter.TransporterClient.invoke(TransporterClient.java:479) at $Proxy0.getMySumHost(Unknown Source) at test.Main.main(Main.java:45) Caused by: java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:193) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:525) at java.net.Socket.connect(Socket.java:475) at java.net.Socket.<init>(Socket.java:372) at java.net.Socket.<init>(Socket.java:186) at javax.net.DefaultSocketFactory.createSocket(SocketFactory.java:206) at org.jboss.remoting.transport.rmi.RemotingRMIClientSocketFactory.createSocketPrivate(RemotingRMIClientSocketFactory.java:333) at org.jboss.remoting.transport.rmi.RemotingRMIClientSocketFactory.createSocket(RemotingRMIClientSocketFactory.java:210) at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595) ... 18 more It happens because RemotingRMIClientSocketFactory had been created with wrong ('0.0.0.0') host name which becomes effective host while creating socket: log: 328 [main] TRACE org.jboss.remoting.transport.rmi.RemotingRMIClientSocketFactory - host: lx4-schernov.nn.five9.com, effective host: 0.0.0.0, port: 47952 source: public Socket createSocket(String host, final int port) throws IOException 176 { ... 181 final String effectiveHost = hostName != null ? hostName : host; While creating factory it should be checked, that host name is not broadcast or localhost address, to make client's locatorUri mandatory for such cases. Client source code: String address = "remote.host.com"; Properties props = new Properties(); props.put(InitialContext.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory"); props.put(InitialContext.PROVIDER_URL, "jnp://" + address + ":1099"); props.put(InitialContext.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces"); InitialContext context = new InitialContext(props); Object tmp = context.lookup("remote/subsystem/Object"); ObjectInf object = (ObjectInf) tmp; object.doJob(); // here exception it thrown