1 /* 2 * Copyright (c) 2002, 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 4290727 26 * @summary Verify that ConnectException will trigger HTTP fallback if 27 * sun.rmi.transport.proxy.eagerHttpFallback system property is set. 28 * @run main/othervm EagerHttpFallback 29 */ 30 31 import java.rmi.*; 32 import java.rmi.registry.*; 33 34 public class EagerHttpFallback { 35 36 static final int INITIAL_PORT = 7070; 37 static final int FALLBACK_PORT = 7071; 38 39 public static void main(String[] args) throws Exception { 40 System.setProperty("http.proxyHost", "127.0.0.1"); 41 System.setProperty("http.proxyPort", Integer.toString(FALLBACK_PORT)); 42 System.setProperty("sun.rmi.transport.proxy.eagerHttpFallback", 43 "true"); 44 LocateRegistry.createRegistry(FALLBACK_PORT); 45 46 /* 47 * The call below should trigger a ConnectException in the 48 * RMIMasterSocketFactory when it attempts a direct connection to 49 * INITIAL_PORT, which no one is listening on. Since 50 * eagerHttpFallback is set, this ConnectException should trigger HTTP 51 * fallback, which will send a call through the HTTP proxy, which is 52 * configured to be localhost with a port behind which a registry is 53 * listening--so if fallback works properly, the list() call should 54 * succeed. 55 */ 56 try { 57 LocateRegistry.getRegistry(INITIAL_PORT).list(); 58 } catch (Exception e) { 59 System.err.println( 60 "call on registry stub with port " + INITIAL_PORT + 61 "did not successfully perform HTTP fallback to " + 62 FALLBACK_PORT); 63 throw e; 64 } 65 } 66 }