view test/java/rmi/server/RemoteServer/AddrInUse.java @ 4943:649b424bb842

7142596: RMI JPRT tests are failing Summary: Changed RMI tests to use random port numbers for the RMI Registry and RMID so the tests can be run concurrently without test failures due to tests using the same port numbers. Reviewed-by: smarks, alanb Contributed-by: olivier.lagneau@oracle.com
author andrew
date Wed, 12 Jun 2013 11:48:21 +0100
parents 00cd9dc3c2b5
children
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/*
 * 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 4111507
 * @summary retryServerSocket should not retry on BindException
 * @author Ann Wollrath
 *
 * @library ../../testlibrary
 * @build AddrInUse
 * @run main/othervm AddrInUse
 */

import java.net.ServerSocket;
import java.rmi.registry.LocateRegistry;
import java.rmi.server.ExportException;

public class AddrInUse implements Runnable {

    private static int port = -1;
    private static final long TIMEOUT = 10000;

    private boolean exportSucceeded = false;
    private Throwable exportException = null;

    public void run() {

        /*
         * Attempt to create (i.e. export) a registry on the port that
         * has already been bound, and record the result.
         */
        try {
            LocateRegistry.createRegistry(port);
            synchronized (this) {
                exportSucceeded = true;
                notifyAll();
            }
        } catch (Throwable t) {
            synchronized (this) {
                exportException = t;
                notifyAll();
            }
        }
    }

    public static void main(String[] args) throws Exception {
        System.err.println("\nRegression test for bug 4111507\n");

        /*
         * Bind a server socket to a port.
         */
        ServerSocket server = new ServerSocket(0);
        port = server.getLocalPort();
        System.err.println("Created a ServerSocket on port " + port + "...");

        /*
         * Start a thread that creates a registry on the same port,
         * and analyze the result.
         */
        System.err.println("create a registry on the same port...");
        System.err.println("(should cause an ExportException)");
        AddrInUse obj = new AddrInUse();
        synchronized (obj) {
            (new Thread(obj, "AddrInUse")).start();

            /*
             * Don't wait forever (original bug is that the export
             * hangs).
             */
            obj.wait(TIMEOUT);

            if (obj.exportSucceeded) {
                throw new RuntimeException(
                    "TEST FAILED: export on already-bound port succeeded");
            } else if (obj.exportException != null) {
                obj.exportException.printStackTrace();
                if (obj.exportException instanceof ExportException) {
                    System.err.println("TEST PASSED");
                } else {
                    throw new RuntimeException(
                        "TEST FAILED: unexpected exception occurred",
                        obj.exportException);
                }
            } else {
                throw new RuntimeException("TEST FAILED: export timed out");
            }
        }
    }
}