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