author | sjiang |
Fri, 28 Dec 2012 16:44:27 +0100 | |
changeset 14931 | 60d0e9160ae4 |
child 30376 | 2ccf2cf7ea48 |
permissions | -rw-r--r-- |
14931
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/* |
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 7120365 |
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* @summary test on Concurrent Modification |
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* @author Shanliang JIANG |
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* @run main ConcurrentModificationTest |
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*/ |
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import java.net.MalformedURLException; |
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import java.util.ConcurrentModificationException; |
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import javax.management.MBeanServer; |
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import javax.management.MBeanServerConnection; |
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import javax.management.MBeanServerFactory; |
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import javax.management.Notification; |
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import javax.management.NotificationListener; |
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import javax.management.ObjectName; |
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import javax.management.remote.JMXConnector; |
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import javax.management.remote.JMXConnectorFactory; |
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import javax.management.remote.JMXConnectorServer; |
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import javax.management.remote.JMXConnectorServerFactory; |
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import javax.management.remote.JMXServiceURL; |
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/** |
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* |
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*/ |
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public class ConcurrentModificationTest { |
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private static final String[] protocols = {"rmi", "iiop", "jmxmp"}; |
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private static int number = 100; |
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private static final MBeanServer mbs = MBeanServerFactory.createMBeanServer(); |
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private static ObjectName delegateName; |
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private static ObjectName[] timerNames = new ObjectName[number]; |
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private static NotificationListener[] listeners = new NotificationListener[number]; |
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|
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private static Throwable uncaughtException = null; |
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public static void main(String[] args) throws Exception { |
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System.out.println(">>> test on Concurrent Modification."); |
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Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() { |
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@Override |
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public void uncaughtException(Thread t, Throwable e) { |
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e.printStackTrace(); |
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if (e instanceof ConcurrentModificationException) { |
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uncaughtException = e; |
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} |
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} |
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}); |
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delegateName = new ObjectName("JMImplementation:type=MBeanServerDelegate"); |
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for (int i=0; i<number; i++) { |
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timerNames[i] = new ObjectName("MBean:name=Timer"+i); |
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listeners[i] = new NotificationListener() { |
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@Override |
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public void handleNotification(Notification notification, Object handback) { |
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// nothing |
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} |
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}; |
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} |
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String errors = ""; |
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for (int i = 0; i < protocols.length; i++) { |
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uncaughtException = null; |
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System.out.println(">>> Test for protocol " + protocols[i]); |
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test(protocols[i]); |
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if (uncaughtException != null) { |
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if ("".equals(errors)) { |
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errors = "Failed to " + protocols[i] + ": "+uncaughtException; |
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} else { |
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errors = errors+", failed to " + protocols[i] + ": "+uncaughtException; |
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} |
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System.out.println(">>> FAILED for protocol " + protocols[i]); |
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} else { |
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System.out.println(">>> PASSED for protocol " + protocols[i]); |
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} |
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} |
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|
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if ("".equals(errors)) { |
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System.out.println("All Passed!"); |
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} else { |
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System.out.println("!!!!!! Failed."); |
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throw new RuntimeException(errors); |
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} |
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} |
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private static void test(String proto) throws Exception { |
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JMXServiceURL u = new JMXServiceURL(proto, null, 0); |
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JMXConnectorServer server; |
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JMXConnector client; |
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|
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try { |
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server = |
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JMXConnectorServerFactory.newJMXConnectorServer(u, null, mbs); |
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server.start(); |
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JMXServiceURL addr = server.getAddress(); |
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client = JMXConnectorFactory.connect(addr, null); |
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} catch (MalformedURLException e) { |
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System.out.println(">>> not support: " + proto); |
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return; |
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} |
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final MBeanServerConnection mserver = client.getMBeanServerConnection(); |
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|
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int count = 0; |
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boolean adding = true; |
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while (uncaughtException == null && count++ < 10) { |
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for (int i = 0; i < number; i++) { |
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listenerOp(mserver, listeners[i], adding); |
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mbeanOp(mserver, timerNames[i], adding); |
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} |
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adding = !adding; |
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} |
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|
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if (uncaughtException != null) { // clean |
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for (int i = 0; i < number; i++) { |
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try { |
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mbeanOp(mserver, timerNames[i], false); |
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} catch (Exception e) { |
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} |
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} |
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} |
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client.close(); |
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server.stop(); |
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} |
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|
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private static void mbeanOp(MBeanServerConnection mserver, ObjectName name, boolean adding) |
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throws Exception { |
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if (adding) { |
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mserver.createMBean("javax.management.timer.Timer", name); |
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} else { |
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mserver.unregisterMBean(name); |
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} |
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} |
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|
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private static void listenerOp(MBeanServerConnection mserver, NotificationListener listener, boolean adding) |
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throws Exception { |
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if (adding) { |
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mserver.addNotificationListener(delegateName, listener, null, null); |
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} else { |
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mserver.removeNotificationListener(delegateName, listener); |
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} |
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} |
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} |