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/*
* Copyright (c) 2003, 2015, 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 4921888
* @summary Tests that we do not get a NullPointException.
* @author Shanliang JIANG
*
* @run clean CloseFailedClientTest
* @run build CloseFailedClientTest
* @run main CloseFailedClientTest
*/
import java.net.MalformedURLException;
import java.io.IOException;
import javax.management.*;
import javax.management.remote.*;
/**
* Try to connect a client to a no-existing or not started server,
* expected to receive an IOException.
*
*/
public class CloseFailedClientTest {
/**
* we use a fix port on which we hope no server is running,
* or a server running on it will give an IOException when our
* clients try to connect to it.
* The port 999 is specified in
* http://www.iana.org/assignments/port-numbers
* as:
* garcon 999/tcp
* applix 999/udp Applix ac
* puprouter 999/tcp
* puprouter 999/udp
*
* If the test fails because a server runs on this port and does
* not give back an IOException, we can change to another one like
* 9999
*/
private static final int port = 999;
private static final String[] protocols = {"rmi", "iiop", "jmxmp"};
public static void main(String[] args) throws Exception {
System.out.println("Test to close a failed client.");
boolean ok = true;
for (int i = 0; i < protocols.length; i++) {
try {
if (!test(protocols[i])) {
System.out.println("Test failed for " + protocols[i]);
ok = false;
} else {
System.out.println("Test successed for " + protocols[i]);
}
} catch (Exception e) {
System.out.println("Test failed for " + protocols[i]);
e.printStackTrace(System.out);
ok = false;
}
}
if (ok) {
System.out.println("Test passed");
return;
} else {
System.out.println("TEST FAILED");
System.exit(1);
}
}
private static boolean test(String proto)
throws Exception {
System.out.println("Test for protocol " + proto);
JMXServiceURL url = new JMXServiceURL(proto, null, port);
JMXConnector connector;
JMXConnectorServer server;
for (int i=0; i<20; i++) {
// no server
try {
connector = JMXConnectorFactory.newJMXConnector(url, null);
} catch (MalformedURLException e) {
System.out.println("Skipping unsupported URL " + url);
return true;
}
try {
connector.connect();
throw new RuntimeException("Do not get expected IOEeption.");
} catch (IOException e) {
// OK, the expected IOException is thrown.");
}
// close the connector client
connector.close();
// with server but not started
try {
server = JMXConnectorServerFactory.newJMXConnectorServer(url, null, null);
} catch (MalformedURLException e) {
System.out.println("Skipping unsupported URL " + url);
return true;
}
connector = JMXConnectorFactory.newJMXConnector(url, null);
try {
connector.connect();
throw new RuntimeException("Do not get expected IOEeption.");
} catch (IOException e) {
// OK, the expected IOException is thrown.");
}
// close the connector client
connector.close();
}
return true;
}
}
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