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Java example source code file (ElucidateNoSuchMethod.java)

This example Java source code file (ElucidateNoSuchMethod.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

activatable, activateme, activationdesc, activationexception, activationgroupdesc, activationgroupid, activationsystem, elucidatenosuchmethod, exception, nosuchmethoderror, properties, rmi, rmid, runnable, thread, util

The ElucidateNoSuchMethod.java Java example source code

/*
 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/* @test
 * @bug 4128620
 * @summary synopsis: NoSuchMethodError should be elucidated
 * @author Laird Dornin
 *
 * @library ../../../testlibrary
 * @build TestLibrary RMID ActivateMe ElucidateNoSuchMethod_Stub
 * @run main/othervm/policy=security.policy/timeout=240 ElucidateNoSuchMethod
 */

import java.io.*;
import java.rmi.*;
import java.rmi.activation.*;
import java.rmi.server.*;
import java.rmi.registry.*;
import java.util.Properties;

public class ElucidateNoSuchMethod
        extends Activatable
        implements ActivateMe, Runnable
{

    /**
     *  provide a constructor that alllows this object to be made
     *  activatable, or at least registered.
     */
    ElucidateNoSuchMethod(ActivationID id, int port)
        throws RemoteException
    {
        super(id, port);
    }

    /**
     * dont provide an activation constructor so that we get a no such
     * method error.
     */

    public void ping() {}

    /**
     * Spawns a thread to deactivate the object.
     */
    public void shutdown() throws Exception {
        (new Thread(this,"ElucidateNoSuchMethod")).start();
    }

    /**
     * Thread to deactivate object. First attempts to make object
     * inactive (via the inactive method).  If that fails (the
     * object may still have pending/executing calls), then
     * unexport the object forcibly.
     */
    public void run() {
        ActivationLibrary.deactivate(this, getID());
    }

    public static void main(String[] args) {

        System.out.println("\nRegression test for 4128620 \n");

        TestLibrary.suggestSecurityManager("java.rmi.RMISecurityManager");

        RMID rmid = null;

        try {
            RMID.removeLog();
            rmid = RMID.createRMID();
            rmid.start();

            /* Cause activation groups to have a security policy that will
             * allow security managers to be downloaded and installed
             */
            Properties p = new Properties();
            // this test must always set policies/managers in its
            // activation groups
            p.put("java.security.policy",
                  TestParams.defaultGroupPolicy);
            p.put("java.security.manager",
                  TestParams.defaultSecurityManager);

            System.err.println("Create activation group in this VM");
            ActivationGroupDesc groupDesc =
                new ActivationGroupDesc(p, null);
            ActivationSystem system = ActivationGroup.getSystem();
            ActivationGroupID groupID = system.registerGroup(groupDesc);
            ActivationGroup.createGroup(groupID, groupDesc, 0);

            System.err.println("Creating descriptor");
            ActivationDesc desc =
                new ActivationDesc("ElucidateNoSuchMethod", null, null);

            System.err.println("Registering descriptor");
            ActivateMe obj = (ActivateMe) Activatable.register(desc);

            System.err.println("Activate object via method call");

            try {
                obj.ping();
            } catch (ActivateFailedException afe) {
                ActivationException a = (ActivationException) afe.detail;

                if (((a.detail instanceof NoSuchMethodException) ||
                     (a.detail instanceof NoSuchMethodError)) &&
                        (a.getMessage().indexOf
                      ("must provide an activation constructor") > -1)) {
                    System.err.println("\ntest passed for 4128620\n");
                } else {
                    TestLibrary.bomb("test failed", afe);
                }
            }

        } catch (Exception e) {
            TestLibrary.bomb("test failed", e);
        } finally {
            ActivationLibrary.rmidCleanup(rmid);
        }
    }
}

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