1 /*
   2  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 4884913
  27  * @summary Tests that default protocols are loaded correctly
  28  * @author Eamonn McManus
  29  *
  30  * @run clean DefaultProviderTest
  31  * @run build DefaultProviderTest
  32  * @run main DefaultProviderTest
  33  */
  34 
  35 import java.net.*;
  36 import java.util.*;
  37 import javax.management.remote.*;
  38 
  39 /**
  40  * Create an environment where the providers for the default protocols
  41  * (e.g. rmi) are not visible to the loader that is used to load
  42  * non-default providers.  Check that we can load the default
  43  * protocols nevertheless.
  44  *
  45  * If JMX Remote is part of J2SE, this test becomes meaningless,
  46  * because the default protocol providers are visible to the bootstrap
  47  * class loader.
  48  */
  49 public class DefaultProviderTest {
  50     public static void main(String[] args) throws Exception {
  51         URLClassLoader emptyLoader = new URLClassLoader(new URL[0], null);
  52         Thread.currentThread().setContextClassLoader(emptyLoader);
  53         Map env = new HashMap();
  54         env.put(JMXConnectorFactory.PROTOCOL_PROVIDER_CLASS_LOADER,
  55                 emptyLoader);
  56         JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///bogus");
  57         JMXConnector conn = JMXConnectorFactory.newJMXConnector(url, env);
  58         System.out.println("Successfully created RMI connector in hostile " +
  59                            "class-loading environment");
  60     }
  61 }