0N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 5039210
0N/A * @summary test on a client notification deadlock.
0N/A * @author Shanliang JIANG
0N/A * @run clean DeadLockTest
0N/A * @run build DeadLockTest
0N/A * @run main DeadLockTest
0N/A */
0N/A
0N/Aimport java.net.MalformedURLException;
0N/Aimport java.io.IOException;
0N/Aimport java.util.HashMap;
0N/A
0N/Aimport javax.management.*;
0N/Aimport javax.management.remote.*;
0N/A
0N/Apublic class DeadLockTest {
0N/A private static final String[] protocols = {"rmi", "iiop", "jmxmp"};
0N/A private static final MBeanServer mbs = MBeanServerFactory.createMBeanServer();
0N/A
0N/A public static void main(String[] args) {
0N/A System.out.println(">>> test on a client notification deadlock.");
0N/A
0N/A boolean ok = true;
0N/A for (int i = 0; i < protocols.length; i++) {
0N/A try {
0N/A test(protocols[i]);
0N/A } catch (Exception e) {
0N/A System.out.println(">>> Test failed for " + protocols[i]);
0N/A e.printStackTrace(System.out);
0N/A }
0N/A }
0N/A
0N/A System.out.println(">>> Test passed");
0N/A }
0N/A
0N/A private static void test(String proto)
0N/A throws Exception {
0N/A System.out.println(">>> Test for protocol " + proto);
0N/A
0N/A JMXServiceURL u = null;
0N/A JMXConnectorServer server = null;
0N/A
0N/A HashMap env = new HashMap(2);
0N/A // server will close a client connection after 1 second
0N/A env.put("jmx.remote.x.server.connection.timeout", "1000");
0N/A
0N/A // disable the client ping
0N/A env.put("jmx.remote.x.client.connection.check.period", "0");
0N/A
0N/A try {
0N/A u = new JMXServiceURL(proto, null, 0);
0N/A server = JMXConnectorServerFactory.newJMXConnectorServer(u, env, mbs);
0N/A } catch (MalformedURLException e) {
0N/A System.out.println(">>> Skipping unsupported URL " + proto);
0N/A }
0N/A
0N/A server.start();
0N/A
0N/A JMXServiceURL addr = server.getAddress();
0N/A
0N/A long st = 2000;
0N/A MyListener myListener;
0N/A
0N/A // a cycle to make sure that we test the blocking problem.
0N/A do {
0N/A JMXConnector client = JMXConnectorFactory.connect(addr, env);
0N/A MBeanServerConnection conn = client.getMBeanServerConnection();
0N/A myListener = new MyListener(conn);
0N/A client.addConnectionNotificationListener(myListener, null, null);
0N/A
0N/A // wait the server to close the client connection
0N/A Thread.sleep(st);
0N/A
0N/A // makes the listener to do a remote request via the connection
0N/A // which should be closed by the server.
0N/A conn.getDefaultDomain();
0N/A
0N/A // allow the listner to have time to work
0N/A Thread.sleep(100);
0N/A
0N/A // get a closed notif, should no block.
0N/A client.close();
0N/A Thread.sleep(100);
0N/A
0N/A st += 2000;
0N/A
0N/A } while(!myListener.isDone());
0N/A
0N/A server.stop();
0N/A }
0N/A
0N/A private static class MyListener implements NotificationListener {
0N/A public MyListener(MBeanServerConnection conn) {
0N/A this.conn = conn;
0N/A }
0N/A
0N/A public void handleNotification(Notification n, Object h) {
0N/A if (n instanceof JMXConnectionNotification) {
0N/A JMXConnectionNotification jcn = (JMXConnectionNotification)n;
0N/A final String type = jcn.getType();
0N/A System.out.println(">>> The listener receives notif with the type:"+type);
0N/A
0N/A if (JMXConnectionNotification.CLOSED.equals(type) ||
0N/A JMXConnectionNotification.FAILED.equals(type)) {
0N/A
0N/A synchronized(this) {
0N/A done = false;
0N/A }
0N/A
0N/A try {
0N/A conn.getDefaultDomain();
0N/A } catch (IOException ioe) {
0N/A // Greate !
0N/A }
0N/A
0N/A synchronized(this) {
0N/A done = true;
0N/A }
0N/A
0N/A System.out.println(">>> The listener is not blocked!");
0N/A }
0N/A }
0N/A }
0N/A
0N/A public boolean isDone() {
0N/A synchronized(this) {
0N/A return done;
0N/A }
0N/A }
0N/A
0N/A private boolean done = false;
0N/A private MBeanServerConnection conn;
0N/A }
0N/A}