80 lines
2.7 KiB
Java
80 lines
2.7 KiB
Java
/*
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* Copyright (c) 2013, 2018, 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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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.Utils;
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import java.io.IOException;
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import java.net.ServerSocket;
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import java.util.logging.Logger;
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/**
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* This test used for test development and it is not meant to be run by JTReg.
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* <p/>
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* This test exercises a retry mechanism to avoid a test failure because of
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* starting the VM on a busy jmxremote.port.
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* <p/>
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* To run this test you'll need to add this VM option: -Dtest.jdk=<path-to-jdk>
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*/
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public class PortAlreadyInUseTest extends DynamicLauncher {
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ServerSocket socket;
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final Logger log = Logger.getLogger("PortAlreadyInUse");
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protected void go() throws Exception {
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jmxPort = Utils.getFreePort();
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occupyPort();
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log.info("Attempting to start a VM using the same port.");
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OutputAnalyzer out = this.runVM();
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out.shouldContain("Port already in use");
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log.info("Failed as expected.");
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log.info("Trying again using retries.");
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this.run();
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}
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private void occupyPort() throws IOException {
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socket = new ServerSocket(jmxPort);
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log.info("Occupying port " + String.valueOf(jmxPort));
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}
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protected String[] options() {
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String[] options = {
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"-Dcom.sun.management.jmxremote.authenticate=false",
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"-Dcom.sun.management.jmxremote.ssl=false",
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"-Dcom.sun.management.jmxremote=true",
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"-Dcom.sun.management.jmxremote.port=" + String.valueOf(jmxPort),
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"-version"
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};
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return options;
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}
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public static void main(String[] args) throws Exception {
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PortAlreadyInUseTest test = new PortAlreadyInUseTest();
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test.go();
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}
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}
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