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/*
* Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6356458
* @summary test to not lose a user classloader
* @author Shanliang JIANG
*
* @run clean UserClassLoaderTest
* @run build UserClassLoaderTest
* @run main UserClassLoaderTest
*/
import java.util.*;
import java.net.*;
import java.io.IOException;
import javax.management.*;
import javax.management.remote.*;
public class UserClassLoaderTest {
private static final String[] protocols = {"rmi", "iiop", "jmxmp"};
private static final MBeanServer mbs = MBeanServerFactory.createMBeanServer();
private static ObjectName timer;
private final static NotificationListener listener = new NotificationListener() {
public void handleNotification(Notification notification, Object handback) {
}
};
public static void main(String[] args) throws Exception {
System.out.println("main: we should not lose client classloader.");
timer = new ObjectName("test:name=timer");
mbs.createMBean("javax.management.timer.Timer", timer);
boolean ok = true;
for (int i = 0; i < protocols.length; i++) {
try {
if (!test(protocols[i])) {
System.out.println("main: Test failed for " + protocols[i]);
ok = false;
} else {
System.out.println("main: Test successed for " + protocols[i]);
}
} catch (Exception e) {
System.out.println("main: Test failed for " + protocols[i]);
e.printStackTrace(System.out);
ok = false;
} }
if (ok) {
System.out.println("main: Tests passed");
} else {
System.out.println("main: Tests FAILED");
System.exit(1);
}
}
private static boolean test(String proto) throws Exception {
System.out.println("\ntest: Test for protocol " + proto);
JMXServiceURL u = null;
JMXConnectorServer server = null;
try {
u = new JMXServiceURL(proto, null, 0);
server = JMXConnectorServerFactory.newJMXConnectorServer(u, null, mbs);
} catch (MalformedURLException e) {
System.out.println("Skipping unsupported URL " + proto);
return true;
}
server.start();
u = server.getAddress();
System.out.println("test: create a server on: "+u);
JMXConnector client = JMXConnectorFactory.connect(u, null);
MBeanServerConnection conn = client.getMBeanServerConnection();
final ClassLoader orgCL = Thread.currentThread().getContextClassLoader();
System.out.println("test: the orginal classloader is "+orgCL);
final URL url = new URL("file:/xxx");
final ClassLoader newCL = new URLClassLoader(new URL[]{url}, orgCL);
try {
System.out.println("test: set classloader to "+newCL);
Thread.currentThread().setContextClassLoader(newCL);
// reproduce the bug
conn.addNotificationListener(timer, listener, null, null);
client.close();
server.stop();
if (Thread.currentThread().getContextClassLoader() != newCL) {
System.out.println("ERROR: The client class loader is lost.");
return false;
} else {
System.out.println("test: Bye bye.");
return true;
}
} finally {
Thread.currentThread().setContextClassLoader(orgCL);
}
}
}
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