author | ohair |
Tue, 25 May 2010 15:58:33 -0700 | |
changeset 5506 | 202f599c92aa |
parent 715 | f16baef3a20e |
child 13256 | 5886d7607acd |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1999, 2008, 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 4120329 |
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* @summary RMI registry creation is impossible if first attempt fails. |
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* @library ../../testlibrary |
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* @build StreamPipe TestParams TestLibrary JavaVM |
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* @build RegistryRunner RegistryRunner_Stub |
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* @build Reexport |
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* @run main/othervm Reexport |
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*/ |
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/* |
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* If a VM could not create an RMI registry because another registry |
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* usually in another process, was using the registry port, the next |
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* time the VM tried to create a registry (after the other registry |
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* was brought down) the attempt would fail. The second try to create |
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* a registry would fail because the registry ObjID would still be in |
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* use when it should never have been allocated. |
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* |
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* The test creates this conflict using Runtime.exec and ensures that |
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* a registry can still be created after the conflict is resolved. |
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*/ |
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import java.io.*; |
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import java.rmi.*; |
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import java.rmi.registry.*; |
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import java.rmi.server.*; |
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public class Reexport { |
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static public final int regport = TestLibrary.REGISTRY_PORT; |
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static public void main(String[] argv) { |
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Registry reg = null; |
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try { |
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System.err.println("\nregression test for 4120329\n"); |
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// establish the registry (we hope) |
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System.err.println("Starting registry on port " + regport); |
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Reexport.makeRegistry(regport); |
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// Get a handle to the registry |
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System.err.println("Creating duplicate registry, this should fail..."); |
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reg = createReg(true); |
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if (reg != null) { |
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TestLibrary.bomb("failed was able to duplicate the registry?!?"); |
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} |
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// Kill the first registry. |
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System.err.println("Bringing down the first registry"); |
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try { |
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Reexport.killRegistry(); |
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} catch (Exception foo) { |
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} |
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// start another registry now that the first is gone; this should work |
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System.err.println("Trying again to start our own " + |
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"registry... this should work"); |
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reg = createReg(false); |
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if (reg == null) { |
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TestLibrary.bomb("Could not create registry on second try"); |
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} |
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System.err.println("Test passed"); |
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} catch (Exception e) { |
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TestLibrary.bomb(e); |
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} finally { |
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// dont leave the registry around to affect other tests. |
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killRegistry(); |
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reg = null; |
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} |
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} |
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static Registry createReg(boolean remoteOk) { |
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Registry reg = null; |
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try { |
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reg = LocateRegistry.createRegistry(regport); |
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} catch (Throwable e) { |
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if (remoteOk) { |
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System.err.println("EXPECTING PORT IN USE EXCEPTION:"); |
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System.err.println(e.getMessage()); |
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e.printStackTrace(); |
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} else { |
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TestLibrary.bomb((Exception) e); |
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} |
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} |
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return reg; |
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} |
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public static void makeRegistry(int p) { |
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// sadly, we can't kill a registry if we have too-close control |
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// over it. We must make it in a subprocess, and then kill the |
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// subprocess when it has served our needs. |
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try { |
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JavaVM jvm = new JavaVM("RegistryRunner", "", Integer.toString(p)); |
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jvm.start(); |
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Reexport.subreg = jvm.getVM(); |
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} catch (IOException e) { |
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// one of these is summarily dropped, can't remember which one |
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System.out.println ("Test setup failed - cannot run rmiregistry"); |
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TestLibrary.bomb("Test setup failed - cannot run test", e); |
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} |
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// Slop - wait for registry to come up. This is stupid. |
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try { |
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Thread.sleep (5000); |
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} catch (Exception whatever) { |
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} |
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} |
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private static Process subreg = null; |
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public static void killRegistry() { |
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if (Reexport.subreg != null) { |
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RegistryRunner.requestExit(); |
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try { |
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Reexport.subreg.waitFor(); |
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} catch (InterruptedException ie) { |
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} |
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} |
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Reexport.subreg = null; |
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} |
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} |