russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
85 lines
3.2 KiB
Java
85 lines
3.2 KiB
Java
/*
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* Copyright (c) 1998, 2025, 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 4111507
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* @summary retryServerSocket should not retry on BindException
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*
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* @run main/othervm AddrInUse
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*/
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import java.net.ServerSocket;
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import java.rmi.registry.LocateRegistry;
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import java.rmi.server.ExportException;
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public class AddrInUse {
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private static volatile Throwable registryExportFailure = null;
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public static void main(String[] args) throws Exception {
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/*
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* Bind a server socket to a port.
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*/
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try (ServerSocket server = new ServerSocket(0)) {
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int port = server.getLocalPort();
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System.err.println("Created a ServerSocket on port " + port + "...");
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/*
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* Start a thread that creates a registry on the same port,
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* and analyze the result.
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*/
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System.err.println("create a registry on the same port...");
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System.err.println("(should cause an ExportException)");
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Thread exportRegistryThread = new Thread(() -> {
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/*
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* Attempt to create (i.e. export) a registry on the port that
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* has already been bound, and record the result.
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*/
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try {
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LocateRegistry.createRegistry(port);
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} catch (Throwable t) {
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registryExportFailure = t;
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}
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}, "ExportRegistry-Thread");
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exportRegistryThread.start();
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/*
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* Wait for the LocateRegistry.createRegistry() call to complete or
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* if it blocks forever (due to the original bug), then let jtreg fail
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* the test with a timeout
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*/
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exportRegistryThread.join();
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if (registryExportFailure == null) {
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throw new RuntimeException(
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"TEST FAILED: export on already-bound port succeeded");
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}
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if (!(registryExportFailure instanceof ExportException)) {
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throw new RuntimeException(
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"TEST FAILED: unexpected exception occurred", registryExportFailure);
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}
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System.err.println("TEST PASSED, received expected exception: " + registryExportFailure);
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}
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}
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}
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