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