1 /* 2 * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 6269166 26 * @summary After a remote object has been exported on an anonymous 27 * port, it should be possible to export another remote object on an 28 * explicit port (and with the same socket factories, if any) with the 29 * same value as the actual port to which the first export got bound. 30 * While the fact that this works (instead of failing with a 31 * BindException) might seem odd and not to be expected, it has 32 * historically worked with the J2SE RMI implementation, so it should 33 * continue to work because existing applications might depend on it. 34 * @author Peter Jones 35 * 36 * @build ReuseDefaultPort 37 * @run main/othervm ReuseDefaultPort 38 */ 39 40 import java.io.IOException; 41 import java.net.ServerSocket; 42 import java.net.Socket; 43 import java.rmi.Remote; 44 import java.rmi.registry.LocateRegistry; 45 import java.rmi.registry.Registry; 46 import java.rmi.server.RMISocketFactory; 47 import java.rmi.server.UnicastRemoteObject; 48 49 public class ReuseDefaultPort implements Remote { 50 51 private static final int PORT = 2223; 52 53 private ReuseDefaultPort() { } 54 55 public static void main(String[] args) throws Exception { 56 System.err.println("\nRegression test for bug 6269166\n"); 57 RMISocketFactory.setSocketFactory(new SF()); 58 Remote impl = new ReuseDefaultPort(); 59 Remote stub = UnicastRemoteObject.exportObject(impl, 0); 60 System.err.println("- exported object: " + stub); 61 try { 62 Registry registry = LocateRegistry.createRegistry(PORT); 63 System.err.println("- exported registry: " + registry); 64 System.err.println("TEST PASSED"); 65 } finally { 66 UnicastRemoteObject.unexportObject(impl, true); 67 } 68 } 69 70 private static class SF extends RMISocketFactory { 71 private static RMISocketFactory defaultFactory = 72 RMISocketFactory.getDefaultSocketFactory(); 73 SF() { } 74 public Socket createSocket(String host, int port) throws IOException { 75 return defaultFactory.createSocket(host, port); 76 } 77 public ServerSocket createServerSocket(int port) throws IOException { 78 if (port == 0) { 79 port = PORT; 80 } 81 return defaultFactory.createServerSocket(port); 82 } 83 } 84 }