1 /* 2 * Copyright (c) 2013, 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 7150256 27 * @summary Basic Test for the DiagnosticCommandMBean 28 * @author Frederic Parain, Shanliang JIANG 29 * 30 * @modules jdk.management 31 * @run main/othervm DcmdMBeanDoubleInvocationTest 32 */ 33 34 35 import java.lang.management.ManagementFactory; 36 import javax.management.MBeanServer; 37 import javax.management.ObjectName; 38 import javax.management.*; 39 import javax.management.remote.*; 40 41 public class DcmdMBeanDoubleInvocationTest { 42 43 private static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME = 44 "com.sun.management:type=DiagnosticCommand"; 45 46 public static void main(String[] args) throws Exception { 47 System.out.println("--->JRCMD MBean Test: invocation on \"help VM.version\" ..."); 48 49 ObjectName name = new ObjectName(HOTSPOT_DIAGNOSTIC_MXBEAN_NAME); 50 String[] helpArgs = {"-all", "\n", "VM.version"}; 51 Object[] dcmdArgs = {helpArgs}; 52 String[] signature = {String[].class.getName()}; 53 54 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); 55 JMXServiceURL url = new JMXServiceURL("rmi", null, 0); 56 JMXConnectorServer cs = null; 57 JMXConnector cc = null; 58 try { 59 cs = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs); 60 cs.start(); 61 JMXServiceURL addr = cs.getAddress(); 62 cc = JMXConnectorFactory.connect(addr); 63 MBeanServerConnection mbsc = cc.getMBeanServerConnection(); 64 65 String result = (String) mbsc.invoke(name, "help", dcmdArgs, signature); 66 System.out.println(result); 67 68 throw new Error("Test failed: Double commands have not been detected"); 69 } catch (RuntimeMBeanException ex) { 70 if (ex.getCause() instanceof IllegalArgumentException) { 71 System.out.println("JTest passed: Double commands have been detected"); 72 } else { 73 ex.printStackTrace(); 74 throw new Error("TEST FAILED: got unknown exception "+ex); 75 } 76 } finally { 77 try { 78 cc.close(); 79 cs.stop(); 80 } catch (Exception e) { 81 } 82 } 83 } 84 }