1 /*
   2  * Copyright (c) 2005, 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 6328682
  27  * @summary Test that MBeanServer.unregisterMBean() correctly unregisters
  28  *          the supplied MBean although DynamicMBean.getMBeanInfo() throws
  29  *          a runtime exception.
  30  * @author Luis-Miguel Alventosa
  31  * @modules java.management
  32  * @run clean UnregisterMBeanExceptionTest
  33  * @run build UnregisterMBeanExceptionTest
  34  * @run main UnregisterMBeanExceptionTest
  35  */
  36 
  37 import javax.management.Attribute;
  38 import javax.management.AttributeList;
  39 import javax.management.AttributeNotFoundException;
  40 import javax.management.DynamicMBean;
  41 import javax.management.InvalidAttributeValueException;
  42 import javax.management.MBeanException;
  43 import javax.management.MBeanInfo;
  44 import javax.management.MBeanServer;
  45 import javax.management.MBeanServerFactory;
  46 import javax.management.ObjectName;
  47 import javax.management.ReflectionException;
  48 
  49 public class UnregisterMBeanExceptionTest {
  50 
  51     public static class TestDynamicMBean implements DynamicMBean {
  52 
  53         public Object getAttribute(String attribute) throws
  54             AttributeNotFoundException,
  55             MBeanException,
  56             ReflectionException {
  57             return null;
  58         }
  59 
  60         public void setAttribute(Attribute attribute) throws
  61             AttributeNotFoundException,
  62             InvalidAttributeValueException,
  63             MBeanException,
  64             ReflectionException {
  65         }
  66 
  67         public AttributeList getAttributes(String[] attributes) {
  68             return null;
  69         }
  70 
  71         public AttributeList setAttributes(AttributeList attributes) {
  72             return null;
  73         }
  74 
  75         public Object invoke(String op, Object params[], String sign[]) throws
  76             MBeanException,
  77             ReflectionException {
  78             return null;
  79         }
  80 
  81         public MBeanInfo getMBeanInfo() {
  82             if (throwException)
  83                 throw new RuntimeException("UnregisterMBeanExceptionTest");
  84             else
  85                 return new MBeanInfo(this.getClass().getName(), "Test",
  86                                      null, null, null, null);
  87         }
  88 
  89         public boolean throwException;
  90     }
  91 
  92     public static void main(String[] args) throws Exception {
  93 
  94         // Instantiate the MBean server
  95         //
  96         System.out.println("Create the MBean server");
  97         MBeanServer mbs = MBeanServerFactory.createMBeanServer();
  98 
  99         // Register the MBean
 100         //
 101         System.out.println("Create a TestDynamicMBean");
 102         TestDynamicMBean obj = new TestDynamicMBean();
 103         ObjectName n = new ObjectName("d:k=v");
 104         System.out.println("Register a TestDynamicMBean");
 105         mbs.registerMBean(obj, n);
 106         obj.throwException = true;
 107         System.out.println("Unregister a TestDynamicMBean");
 108         try {
 109             mbs.unregisterMBean(n);
 110         } catch (Exception e) {
 111             throw new IllegalArgumentException("Test failed", e);
 112         }
 113         boolean isRegistered = mbs.isRegistered(n);
 114         System.out.println("Is MBean Registered? " + isRegistered);
 115 
 116         if (isRegistered) {
 117             throw new IllegalArgumentException(
 118                 "Test failed: the MBean is still registered");
 119         } else {
 120             System.out.println("Test passed");
 121         }
 122     }
 123 }