Exception in thread "main" javax.naming.CommunicationException [Root exception is java.rmi.ConnectIOException: Exception creating connection to: 192.168.8.179; nested exception is: java.net.NoRouteToHostException: No route to host] at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:722) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:587) at javax.naming.InitialContext.lookup(InitialContext.java:351) at org.jboss.Shutdown.main(Shutdown.java:214) Caused by: java.rmi.ConnectIOException: Exception creating connection to: 192.168.8.179; nested exception is: java.net.NoRouteToHostException: No route to host at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:587) at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:185) at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:171) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:94) at org.jnp.server.NamingServer_Stub.lookup(Unknown Source) at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:625) ... 3 more Caused by: java.net.NoRouteToHostException: No route to host at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:507) at java.net.Socket.connect(Socket.java:457) at java.net.Socket.<init>(Socket.java:365) at java.net.Socket.<init>(Socket.java:178) at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22) at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128) at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:569) ... 8 more