1/* 2 * Copyright (c) 2004, 2016, 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 5058319 27 * @summary Check if a RuntimeException is wrapped by RuntimeMBeanException 28 * only once. 29 * 30 * @author Mandy Chung 31 * 32 * @build MXBeanException 33 * @run main MXBeanException 34 */ 35 36import java.lang.management.*; 37import javax.management.*; 38import java.util.*; 39import static java.lang.management.ManagementFactory.*; 40 41public class MXBeanException { 42 private static MemoryPoolMXBean pool; 43 44 public static void main(String[] argv) throws Exception { 45 List<MemoryPoolMXBean> pools = 46 ManagementFactory.getMemoryPoolMXBeans(); 47 for (MemoryPoolMXBean p : pools) { 48 if (!p.isUsageThresholdSupported()) { 49 pool = p; 50 break; 51 } 52 } 53 54 // check if UnsupportedOperationException is thrown 55 try { 56 pool.setUsageThreshold(1000); 57 throw new RuntimeException("TEST FAILED: " + 58 "UnsupportedOperationException not thrown"); 59 } catch (UnsupportedOperationException e) { 60 // expected 61 } 62 63 // check if UnsupportedOperationException is thrown 64 // when calling through MBeanServer 65 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); 66 ObjectName on = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE + 67 ",name=" + pool.getName()); 68 Attribute att = new Attribute("UsageThreshold", 1000); 69 try { 70 mbs.setAttribute(on, att); 71 } catch (RuntimeMBeanException e) { 72 checkMBeanException(e); 73 } catch (RuntimeOperationsException e) { 74 checkMBeanException(e); 75 } 76 77 // check if UnsupportedOperationException is thrown 78 // when calling through proxy 79 80 MemoryPoolMXBean proxy = newPlatformMXBeanProxy(mbs, 81 on.toString(), 82 MemoryPoolMXBean.class); 83 try { 84 proxy.setUsageThreshold(1000); 85 throw new RuntimeException("TEST FAILED: " + 86 "UnsupportedOperationException not thrown via proxy"); 87 } catch (UnsupportedOperationException e) { 88 // expected 89 } 90 91 System.out.println("Test passed"); 92 } 93 94 private static void checkMBeanException(JMRuntimeException e) { 95 Throwable cause = e.getCause(); 96 if (!(cause instanceof UnsupportedOperationException)) { 97 throw new RuntimeException("TEST FAILED: " + cause + 98 "is not UnsupportedOperationException"); 99 } 100 } 101} 102