J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 6356458 |
| 27 | * @summary test to not lose a user classloader |
| 28 | * @author Shanliang JIANG |
| 29 | * @run clean UserClassLoaderTest |
| 30 | * @run build UserClassLoaderTest |
| 31 | * @run main UserClassLoaderTest |
| 32 | */ |
| 33 | |
| 34 | import java.util.*; |
| 35 | import java.net.*; |
| 36 | import java.io.IOException; |
| 37 | |
| 38 | import javax.management.*; |
| 39 | import javax.management.remote.*; |
| 40 | |
| 41 | public class UserClassLoaderTest { |
| 42 | private static final String[] protocols = {"rmi", "iiop", "jmxmp"}; |
| 43 | private static final MBeanServer mbs = MBeanServerFactory.createMBeanServer(); |
| 44 | private static ObjectName timer; |
| 45 | private final static NotificationListener listener = new NotificationListener() { |
| 46 | public void handleNotification(Notification notification, Object handback) { |
| 47 | } |
| 48 | }; |
| 49 | |
| 50 | public static void main(String[] args) throws Exception { |
| 51 | System.out.println("main: we should not lose client classloader."); |
| 52 | |
| 53 | timer = new ObjectName("test:name=timer"); |
| 54 | mbs.createMBean("javax.management.timer.Timer", timer); |
| 55 | |
| 56 | boolean ok = true; |
| 57 | for (int i = 0; i < protocols.length; i++) { |
| 58 | try { |
| 59 | if (!test(protocols[i])) { |
| 60 | System.out.println("main: Test failed for " + protocols[i]); |
| 61 | ok = false; |
| 62 | } else { |
| 63 | System.out.println("main: Test successed for " + protocols[i]); |
| 64 | } |
| 65 | } catch (Exception e) { |
| 66 | System.out.println("main: Test failed for " + protocols[i]); |
| 67 | e.printStackTrace(System.out); |
| 68 | ok = false; |
| 69 | } } |
| 70 | |
| 71 | if (ok) { |
| 72 | System.out.println("main: Tests passed"); |
| 73 | } else { |
| 74 | System.out.println("main: Tests FAILED"); |
| 75 | System.exit(1); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | private static boolean test(String proto) throws Exception { |
| 80 | System.out.println("\ntest: Test for protocol " + proto); |
| 81 | |
| 82 | JMXServiceURL u = null; |
| 83 | JMXConnectorServer server = null; |
| 84 | |
| 85 | try { |
| 86 | u = new JMXServiceURL(proto, null, 0); |
| 87 | server = JMXConnectorServerFactory.newJMXConnectorServer(u, null, mbs); |
| 88 | } catch (MalformedURLException e) { |
| 89 | System.out.println("Skipping unsupported URL " + proto); |
| 90 | return true; |
| 91 | } |
| 92 | |
| 93 | server.start(); |
| 94 | u = server.getAddress(); |
| 95 | |
| 96 | System.out.println("test: create a server on: "+u); |
| 97 | |
| 98 | JMXConnector client = JMXConnectorFactory.connect(u, null); |
| 99 | MBeanServerConnection conn = client.getMBeanServerConnection(); |
| 100 | |
| 101 | final ClassLoader orgCL = Thread.currentThread().getContextClassLoader(); |
| 102 | System.out.println("test: the orginal classloader is "+orgCL); |
| 103 | |
| 104 | final URL url = new URL("file:/xxx"); |
| 105 | final ClassLoader newCL = new URLClassLoader(new URL[]{url}, orgCL); |
| 106 | |
| 107 | try { |
| 108 | System.out.println("test: set classloader to "+newCL); |
| 109 | Thread.currentThread().setContextClassLoader(newCL); |
| 110 | |
| 111 | // reproduce the bug |
| 112 | conn.addNotificationListener(timer, listener, null, null); |
| 113 | |
| 114 | client.close(); |
| 115 | server.stop(); |
| 116 | |
| 117 | if (Thread.currentThread().getContextClassLoader() != newCL) { |
| 118 | System.out.println("ERROR: The client class loader is lost."); |
| 119 | |
| 120 | return false; |
| 121 | } else { |
| 122 | System.out.println("test: Bye bye."); |
| 123 | |
| 124 | return true; |
| 125 | } |
| 126 | } finally { |
| 127 | Thread.currentThread().setContextClassLoader(orgCL); |
| 128 | } |
| 129 | } |
| 130 | } |