1/* 2 * Copyright (c) 2005, 2016, 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 * @library ../../testlibrary 37 * @modules java.rmi/sun.rmi.registry 38 * java.rmi/sun.rmi.server 39 * java.rmi/sun.rmi.transport 40 * java.rmi/sun.rmi.transport.tcp 41 * @build TestLibrary 42 * @run main/othervm ReuseDefaultPort 43 */ 44 45import java.io.IOException; 46import java.net.ServerSocket; 47import java.net.Socket; 48import java.rmi.Remote; 49import java.rmi.registry.LocateRegistry; 50import java.rmi.registry.Registry; 51import java.rmi.server.RMISocketFactory; 52import java.rmi.server.UnicastRemoteObject; 53 54public class ReuseDefaultPort implements Remote { 55 56 private static int rmiPort = 0; 57 58 private ReuseDefaultPort() { } 59 60 public static void main(String[] args) throws Exception { 61 System.err.println("\nRegression test for bug 6269166\n"); 62 RMISocketFactory.setSocketFactory(new SF()); 63 Remote impl = new ReuseDefaultPort(); 64 Remote stub = UnicastRemoteObject.exportObject(impl, 0); 65 System.err.println("- exported object: " + stub); 66 try { 67 Registry registry = LocateRegistry.createRegistry(rmiPort); 68 System.err.println("- exported registry: " + registry); 69 System.err.println("TEST PASSED"); 70 } finally { 71 UnicastRemoteObject.unexportObject(impl, true); 72 } 73 } 74 75 private static class SF extends RMISocketFactory { 76 private static RMISocketFactory defaultFactory = 77 RMISocketFactory.getDefaultSocketFactory(); 78 SF() { } 79 public Socket createSocket(String host, int port) throws IOException { 80 System.err.format("in SF::createSocket: %s, %d%n", host, port); 81 return defaultFactory.createSocket(host, port); 82 } 83 public ServerSocket createServerSocket(int port) throws IOException { 84 System.err.format("in SF::createServerSocket: %d%n", port); 85 ServerSocket server = defaultFactory.createServerSocket(port); 86 rmiPort = server.getLocalPort(); 87 System.err.println("rmiPort: " + rmiPort); 88 return server; 89 } 90 } 91} 92