80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
/*
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* Copyright (c) 2003, 2015, 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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/*
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* @test
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* @bug 4839389
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* @summary Test that a class can load MBeans from its class loader
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* (at least if it is the system class loader)
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* @author Eamonn McManus
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*
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* @run clean SystemClassLoaderTest
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* @run build SystemClassLoaderTest
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* @run main SystemClassLoaderTest
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*/
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import javax.management.MBeanServer;
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import javax.management.MBeanServerFactory;
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import javax.management.ObjectName;
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/* Test that we can load an MBean using createMBean(className, objectName)
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even if the class of the MBean is not known to the JMX class loader. */
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public class SystemClassLoaderTest {
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public static void main(String[] args) throws Exception {
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// Instantiate the MBean server
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//
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System.out.println("Create the MBean server");
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MBeanServer mbs = MBeanServerFactory.createMBeanServer();
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ClassLoader mbsClassLoader = mbs.getClass().getClassLoader();
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String testClassName = Test.class.getName();
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// Check that the MBeanServer class loader does not know our test class
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try {
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Class.forName(testClassName, true, mbsClassLoader);
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System.out.println("TEST IS INVALID: MBEANSERVER'S CLASS LOADER " +
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"KNOWS OUR TEST CLASS");
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System.exit(1);
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} catch (ClassNotFoundException e) {
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// As required
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}
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// Register the MBean
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//
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System.out.println("Create MBean from this class");
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ObjectName objectName = new ObjectName("whatever:type=whatever");
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mbs.createMBean(testClassName, objectName);
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// Test OK!
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//
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System.out.println("Bye! Bye!");
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}
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public static class Test implements TestMBean {
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public Test() {}
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}
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public static interface TestMBean {}
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}
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