1 /* 2 * Copyright (c) 2005, 2015, 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 /* 25 * @test 26 * @bug 6356458 27 * @summary test to not lose a user classloader 28 * @author Shanliang JIANG 29 * @modules java.management 30 * @run clean UserClassLoaderTest 31 * @run build UserClassLoaderTest 32 * @run main UserClassLoaderTest 33 */ 34 35 import java.util.*; 36 import java.net.*; 37 import java.io.IOException; 38 39 import javax.management.*; 40 import javax.management.remote.*; 41 42 public class UserClassLoaderTest { 43 private static final String[] protocols = {"rmi", "iiop", "jmxmp"}; 44 private static final MBeanServer mbs = MBeanServerFactory.createMBeanServer(); 45 private static ObjectName timer; 46 private final static NotificationListener listener = new NotificationListener() { 47 public void handleNotification(Notification notification, Object handback) { 48 } 49 }; 50 51 public static void main(String[] args) throws Exception { 52 System.out.println("main: we should not lose client classloader."); 53 54 timer = new ObjectName("test:name=timer"); 55 mbs.createMBean("javax.management.timer.Timer", timer); 56 57 boolean ok = true; 58 for (int i = 0; i < protocols.length; i++) { 59 try { 60 if (!test(protocols[i])) { 61 System.out.println("main: Test failed for " + protocols[i]); 62 ok = false; 63 } else { 64 System.out.println("main: Test successed for " + protocols[i]); 65 } 66 } catch (Exception e) { 67 System.out.println("main: Test failed for " + protocols[i]); 68 e.printStackTrace(System.out); 69 ok = false; 70 } } 71 72 if (ok) { 73 System.out.println("main: Tests passed"); 74 } else { 75 System.out.println("main: Tests FAILED"); 76 System.exit(1); 77 } 78 } 79 80 private static boolean test(String proto) throws Exception { 81 System.out.println("\ntest: Test for protocol " + proto); 82 83 JMXServiceURL u = null; 84 JMXConnectorServer server = null; 85 86 try { 87 u = new JMXServiceURL(proto, null, 0); 88 server = JMXConnectorServerFactory.newJMXConnectorServer(u, null, mbs); 89 } catch (MalformedURLException e) { 90 System.out.println("Skipping unsupported URL " + proto); 91 return true; 92 } 93 94 server.start(); 95 u = server.getAddress(); 96 97 System.out.println("test: create a server on: "+u); 98 99 JMXConnector client = JMXConnectorFactory.connect(u, null); 100 MBeanServerConnection conn = client.getMBeanServerConnection(); 101 102 final ClassLoader orgCL = Thread.currentThread().getContextClassLoader(); 103 System.out.println("test: the orginal classloader is "+orgCL); 104 105 final URL url = new URL("file:/xxx"); 106 final ClassLoader newCL = new URLClassLoader(new URL[]{url}, orgCL); 107 108 try { 109 System.out.println("test: set classloader to "+newCL); 110 Thread.currentThread().setContextClassLoader(newCL); 111 112 // reproduce the bug 113 conn.addNotificationListener(timer, listener, null, null); 114 115 client.close(); 116 server.stop(); 117 118 if (Thread.currentThread().getContextClassLoader() != newCL) { 119 System.out.println("ERROR: The client class loader is lost."); 120 121 return false; 122 } else { 123 System.out.println("test: Bye bye."); 124 125 return true; 126 } 127 } finally { 128 Thread.currentThread().setContextClassLoader(orgCL); 129 } 130 } 131 }