1 /* 2 * Copyright (c) 1998, 2014, 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 /* @test 25 * @bug 4138056 26 * @summary synopsis: Activating objects from an Activatable constructor causes deadlock 27 * @author Ann Wollrath 28 * 29 * @library ../../../testlibrary 30 * @modules java.rmi/sun.rmi.registry 31 * java.rmi/sun.rmi.server 32 * java.rmi/sun.rmi.transport 33 * java.rmi/sun.rmi.transport.tcp 34 * @build TestLibrary RMID ActivationLibrary ActivateMe NestedActivate_Stub 35 * @run main/othervm/policy=security.policy/timeout=240 NestedActivate 36 */ 37 38 import java.io.*; 39 import java.rmi.*; 40 import java.rmi.activation.*; 41 import java.rmi.server.*; 42 import java.rmi.registry.*; 43 import java.util.Properties; 44 45 public class NestedActivate 46 extends Activatable 47 implements ActivateMe, Runnable 48 { 49 50 private static Exception exception = null; 51 private static boolean done = false; 52 private ActivateMe obj = null; 53 54 public NestedActivate(ActivationID id, MarshalledObject mobj) 55 throws Exception 56 { 57 super(id, 0); 58 System.err.println("NestedActivate<>: activating object"); 59 if (mobj != null) { 60 System.err.println("NestedActivate<>: ping obj to activate"); 61 obj = (ActivateMe) mobj.get(); 62 obj.ping(); 63 System.err.println("NestedActivate<>: ping completed"); 64 } 65 } 66 67 public void ping() 68 {} 69 70 public void unregister() throws Exception { 71 super.unregister(super.getID()); 72 } 73 74 /** 75 * Spawns a thread to deactivate the object. 76 */ 77 public void shutdown() throws Exception 78 { 79 (new Thread(this,"NestedActivate")).start(); 80 if (obj != null) 81 obj.shutdown(); 82 } 83 84 /** 85 * Thread to deactivate object. First attempts to make object 86 * inactive (via the inactive method). If that fails (the 87 * object may still have pending/executing calls), then 88 * unexport the object forcibly. 89 */ 90 public void run() { 91 ActivationLibrary.deactivate(this, getID()); 92 } 93 94 public static void main(String[] args) { 95 96 System.err.println("\nRegression test for bug 4138056\n"); 97 98 TestLibrary.suggestSecurityManager("java.rmi.RMISecurityManager"); 99 100 RMID rmid = null; 101 102 try { 103 RMID.removeLog(); 104 rmid = RMID.createRMID(); 105 rmid.start(); 106 107 /* Cause activation groups to have a security policy that will 108 * allow security managers to be downloaded and installed 109 */ 110 final Properties p = new Properties(); 111 // this test must always set policies/managers in its 112 // activation groups 113 p.put("java.security.policy", 114 TestParams.defaultGroupPolicy); 115 p.put("java.security.manager", 116 TestParams.defaultSecurityManager); 117 118 Thread t = new Thread() { 119 public void run () { 120 try { 121 System.err.println("Creating group descriptor"); 122 ActivationGroupDesc groupDesc = 123 new ActivationGroupDesc(p, null); 124 ActivationGroupID groupID = 125 ActivationGroup.getSystem(). 126 registerGroup(groupDesc); 127 128 System.err.println("Creating descriptor: object 1"); 129 ActivationDesc desc1 = 130 new ActivationDesc(groupID, "NestedActivate", 131 null, null); 132 133 System.err.println("Registering descriptor: object 1"); 134 ActivateMe obj1 = 135 (ActivateMe) Activatable.register(desc1); 136 137 System.err.println("Creating descriptor: object 2"); 138 ActivationDesc desc2 = 139 new ActivationDesc(groupID, "NestedActivate", null, 140 new MarshalledObject(obj1)); 141 142 System.err.println("Registering descriptor: object 2"); 143 ActivateMe obj2 = 144 (ActivateMe) Activatable.register(desc2); 145 146 System.err.println("Activating object 2"); 147 obj2.ping(); 148 149 System.err.println("Deactivating objects"); 150 obj2.shutdown(); 151 } catch (Exception e) { 152 exception = e; 153 } 154 done = true; 155 } 156 }; 157 158 t.start(); 159 t.join(35000); 160 161 if (exception != null) { 162 TestLibrary.bomb("test failed", exception); 163 } else if (!done) { 164 TestLibrary.bomb("test failed: not completed before timeout", null); 165 } else { 166 System.err.println("Test passed"); 167 } 168 169 } catch (Exception e) { 170 TestLibrary.bomb("test failed", e); 171 } finally { 172 rmid.cleanup(); 173 } 174 } 175 }