276 lines
11 KiB
Java
276 lines
11 KiB
Java
/*
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* Copyright (c) 1998, 2014, 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 4105080
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* @summary Activation retry during a remote method call to an activatable
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* object can cause infinite recursion in some situations. The
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* RemoteRef contained in the ActivatableRef should never be
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* an ActivatableRef, but another type.
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* (Needs /othervm to evade JavaTest security manager --aecolley)
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* @author Ann Wollrath
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*
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* @bug 4164971
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* @summary allow non-public activatable class and/or constructor
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* Main test class hasa non-public constructor to ensure
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* functionality is in place
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*
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* @library ../../../testlibrary
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* @modules java.rmi/sun.rmi.registry
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* java.rmi/sun.rmi.server:+open
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* java.rmi/sun.rmi.transport
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* java.rmi/sun.rmi.transport.tcp
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* java.base/sun.nio.ch
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* @build TestLibrary RMID RMIDSelectorProvider ActivateMe CheckActivateRef_Stub
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* @run main/othervm/policy=security.policy/timeout=240 -Djava.rmi.server.ignoreStubClasses=true CheckActivateRef
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* @run main/othervm/policy=security.policy/timeout=240 -Djava.rmi.server.ignoreStubClasses=false CheckActivateRef
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* @key intermittent
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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.server.*;
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import java.rmi.activation.*;
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import sun.rmi.server.ActivatableRef;
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import java.lang.reflect.*;
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import java.util.Properties;
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public class CheckActivateRef
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extends Activatable
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implements ActivateMe, Runnable
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{
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private CheckActivateRef(ActivationID id, MarshalledObject obj)
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throws ActivationException, RemoteException
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{
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super(id, 0);
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}
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public void ping()
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{}
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/**
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* Spawns a thread to deactivate the object.
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*/
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public void shutdown() throws Exception
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{
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(new Thread(this,"CheckActivateRef")).start();
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}
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/**
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* Thread to deactivate object. First attempts to make object
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* inactive (via the inactive method). If that fails (the
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* object may still have pending/executing calls), then
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* unexport the object forcibly.
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*/
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public void run() {
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ActivationLibrary.deactivate(this, getID());
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}
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public static void main(String[] args) {
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/*
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* The following line is required with the JDK 1.2 VM so that the
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* VM can exit gracefully when this test completes. Otherwise, the
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* conservative garbage collector will find a handle to the server
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* object on the native stack and not clear the weak reference to
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* it in the RMI runtime's object table.
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*/
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Object dummy = new Object();
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RMID rmid = null;
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ActivateMe obj;
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// test should tolerate certain types of failures
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int failures = 0;
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int i = 0;
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System.err.println("\nRegression test for bug 4105080\n");
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System.err.println("java.security.policy = " +
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System.getProperty("java.security.policy",
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"no policy"));
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String propValue =
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System.getProperty("java.rmi.server.useDynamicProxies", "false");
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boolean useDynamicProxies = Boolean.parseBoolean(propValue);
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CheckActivateRef server;
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try {
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TestLibrary.suggestSecurityManager(TestParams.defaultSecurityManager);
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// start an rmid.
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RMID.removeLog();
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rmid = RMID.createRMIDOnEphemeralPort();
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rmid.start();
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/* Cause activation groups to have a security policy that will
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* allow security managers to be downloaded and installed
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*/
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Properties p = new Properties();
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// this test must always set policies/managers in its
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// activation groups
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p.put("java.security.policy",
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TestParams.defaultGroupPolicy);
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p.put("java.security.manager",
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TestParams.defaultSecurityManager);
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p.put("java.rmi.server.useDynamicProxies", propValue);
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/*
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* Activate an object by registering its object
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* descriptor and invoking a method on the
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* stub returned from the register call.
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*/
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System.err.println("Create activation group in this VM");
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ActivationGroupDesc groupDesc =
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new ActivationGroupDesc(p, null);
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ActivationSystem system = ActivationGroup.getSystem();
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ActivationGroupID groupID = system.registerGroup(groupDesc);
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ActivationGroup.createGroup(groupID, groupDesc, 0);
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System.err.println("Creating descriptor");
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ActivationDesc desc =
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new ActivationDesc("CheckActivateRef", null, null);
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System.err.println("Registering descriptor");
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obj = (ActivateMe) Activatable.register(desc);
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System.err.println("proxy = " + obj);
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if (useDynamicProxies && !Proxy.isProxyClass(obj.getClass()))
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{
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throw new RuntimeException("proxy is not dynamic proxy");
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}
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/*
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* Loop a bunch of times to force activator to
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* spawn VMs (groups)
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*/
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try {
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for (; i < 7; i++) {
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System.err.println("Activate object via method call");
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/*
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* Fix for 4277196: if we got an inactive group
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* exception, it is likely that we accidentally
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* invoked a method on an old activation
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* group. Give some time for the group to go away
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* and then retry the activation.
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*/
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try {
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obj.ping();
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} catch (RemoteException e) {
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Exception detail = (Exception) e.detail;
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if ((detail != null) &&
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(detail instanceof ActivationException) &&
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(detail.getMessage().equals("group is inactive")))
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{
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try {
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Thread.sleep(5000);
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} catch (InterruptedException ex) {
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}
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obj.ping();
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} else {
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throw e;
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}
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}
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System.err.println("proxy = " + obj);
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/*
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* Now that object is activated, check to make sure that
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* the RemoteRef inside the stub's ActivatableRef
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* is *not* an ActivatableRef.
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*/
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ActivatableRef aref;
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if (obj instanceof RemoteStub) {
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aref = (ActivatableRef) ((RemoteObject) obj).getRef();
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} else if (Proxy.isProxyClass(obj.getClass())) {
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RemoteObjectInvocationHandler handler =
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(RemoteObjectInvocationHandler)
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Proxy.getInvocationHandler(obj);
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aref = (ActivatableRef) handler.getRef();
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} else {
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throw new RuntimeException("unknown proxy type");
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}
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final ActivatableRef ref = aref;
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Field f = (Field)
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java.security.AccessController.doPrivileged
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(new java.security.PrivilegedExceptionAction() {
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public Object run() throws Exception {
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Field ff = ref.getClass().getDeclaredField("ref");
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ff.setAccessible(true);
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return ff;
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}
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});
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Object insideRef = f.get(ref);
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System.err.println("insideRef = " + insideRef);
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if (insideRef instanceof ActivatableRef) {
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TestLibrary.bomb("Embedded ref is an ActivatableRef");
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} else {
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System.err.println("ActivatableRef's embedded ref type: " +
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insideRef.getClass().getName());
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}
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/*
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* Clean up object too.
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*/
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System.err.println("Deactivate object via method call");
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obj.shutdown();
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try {
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// give activation group time to go away
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Thread.sleep(3000);
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} catch (InterruptedException e) {
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}
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}
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} catch (java.rmi.UnmarshalException ue) {
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// account for test's activation race condition
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if (ue.detail instanceof java.io.IOException) {
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if ((failures ++) >= 3) {
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throw ue;
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}
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} else {
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throw ue;
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}
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}
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System.err.println("\nsuccess: CheckActivateRef test passed ");
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} catch (java.rmi.activation.ActivationException e) {
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// test only needs to pass 3 times in 7
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if (i < 4) {
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TestLibrary.bomb(e);
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}
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} catch (Exception e) {
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if (e instanceof java.security.PrivilegedActionException)
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e = ((java.security.PrivilegedActionException)e).getException();
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TestLibrary.bomb("\nfailure: unexpected exception " +
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e.getClass().getName(), e);
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} finally {
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rmid.cleanup();
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obj = null;
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}
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}
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}
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