author | dmocek |
Tue, 17 Jul 2012 11:01:44 -0700 | |
changeset 13256 | 5886d7607acd |
parent 5506 | 202f599c92aa |
child 14778 | 5947768d173d |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001, 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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/* @test |
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* @bug 4308492 |
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* @summary In addition to keeping the VM alive (with a non-daeman thread) |
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* while there are remote objects exported, the RMI runtime should also |
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* keep it alive while there remain calls in progress (to remote objects |
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* the have presumably been unexported), so that a remote object can more |
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* conveniently implement a graceful remote shutdown method (that unexports |
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* the object). |
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* @author Peter Jones |
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* |
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* @library ../../../testlibrary |
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* @build TestLibrary |
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* @build JavaVM |
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* @build KeepAliveDuringCall |
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* @build KeepAliveDuringCall_Stub |
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* @build ShutdownMonitor |
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* @build Shutdown |
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* @build ShutdownImpl |
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* @build ShutdownImpl_Stub |
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* @run main/othervm KeepAliveDuringCall |
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*/ |
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import java.rmi.Remote; |
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import java.rmi.RemoteException; |
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import java.rmi.registry.LocateRegistry; |
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import java.rmi.registry.Registry; |
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import java.rmi.server.UnicastRemoteObject; |
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public class KeepAliveDuringCall implements ShutdownMonitor { |
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public static final String BINDING = "KeepAliveDuringCall"; |
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private static final int TIMEOUT = 20000; |
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private Object lock = new Object(); |
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private Shutdown shutdown = null; |
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private boolean stillAlive = false; |
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public void submitShutdown(Shutdown shutdown) { |
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synchronized (lock) { |
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this.shutdown = shutdown; |
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lock.notifyAll(); |
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} |
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} |
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public void declareStillAlive() { |
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synchronized (lock) { |
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stillAlive = true; |
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lock.notifyAll(); |
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} |
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} |
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public static void main(String[] args) { |
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System.err.println("\nRegression test for bug 4308492\n"); |
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KeepAliveDuringCall obj = new KeepAliveDuringCall(); |
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try { |
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UnicastRemoteObject.exportObject(obj); |
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System.err.println("exported shutdown monitor"); |
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Registry localRegistry = TestLibrary.createRegistryOnUnusedPort(); |
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int registryPort = TestLibrary.getRegistryPort(localRegistry); |
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System.err.println("created local registry"); |
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localRegistry.bind(BINDING, obj); |
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System.err.println("bound shutdown monitor in local registry"); |
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System.err.println("starting remote ShutdownImpl VM..."); |
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(new JavaVM("ShutdownImpl", |
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"-Drmi.registry.port=" + |
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registryPort, "")).start(); |
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Shutdown s; |
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synchronized (obj.lock) { |
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System.err.println( |
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"waiting for submission of object to shutdown..."); |
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while ((s = obj.shutdown) == null) { |
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obj.lock.wait(TIMEOUT); |
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} |
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if (s == null) { |
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throw new RuntimeException( |
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"TEST FAILED: timeout waiting for shutdown object " + |
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"to make initial contact"); |
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} |
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System.err.println("shutdown object submitted: " + s); |
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} |
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try { |
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s.shutdown(); |
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} catch (RemoteException e) { |
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throw new RuntimeException( |
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"TEST FAILED: shutdown method threw remote exception", e); |
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} |
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synchronized (obj.lock) { |
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if (!obj.stillAlive) { |
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throw new RuntimeException("TEST FAILED: " + |
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"shutdown object not detected alive after unexport"); |
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} |
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} |
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System.err.println("TEST PASSED: " + |
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"shutdown object detected still alive after unexport"); |
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} catch (Exception e) { |
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if (e instanceof RuntimeException) { |
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throw (RuntimeException) e; |
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} else { |
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throw new RuntimeException( |
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"TEST FAILED: unexpected exception", e); |
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} |
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} finally { |
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try { |
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UnicastRemoteObject.unexportObject(obj, true); |
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} catch (RemoteException e) { |
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} |
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} |
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} |
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} |