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 * java.base/sun.nio.ch
35 * @build TestLibrary RMID ActivationLibrary ActivateMe NestedActivate_Stub
36 * @run main/othervm/policy=security.policy/timeout=240 NestedActivate
37 */
38
39 import java.io.*;
40 import java.rmi.*;
41 import java.rmi.activation.*;
42 import java.rmi.server.*;
43 import java.rmi.registry.*;
44 import java.util.Properties;
45
46 public class NestedActivate
47 extends Activatable
48 implements ActivateMe, Runnable
49 {
50
51 private static Exception exception = null;
52 private static boolean done = false;
53 private ActivateMe obj = null;
54
55 public NestedActivate(ActivationID id, MarshalledObject mobj)
56 throws Exception
57 {
58 super(id, 0);
59 System.err.println("NestedActivate<>: activating object");
60 if (mobj != null) {
61 System.err.println("NestedActivate<>: ping obj to activate");
62 obj = (ActivateMe) mobj.get();
63 obj.ping();
64 System.err.println("NestedActivate<>: ping completed");
65 }
66 }
67
68 public void ping()
69 {}
70
71 public void unregister() throws Exception {
72 super.unregister(super.getID());
73 }
74
75 /**
76 * Spawns a thread to deactivate the object.
77 */
78 public void shutdown() throws Exception
79 {
80 (new Thread(this,"NestedActivate")).start();
81 if (obj != null)
82 obj.shutdown();
83 }
84
85 /**
86 * Thread to deactivate object. First attempts to make object
87 * inactive (via the inactive method). If that fails (the
88 * object may still have pending/executing calls), then
89 * unexport the object forcibly.
90 */
91 public void run() {
92 ActivationLibrary.deactivate(this, getID());
93 }
94
95 public static void main(String[] args) {
96
97 System.err.println("\nRegression test for bug 4138056\n");
98
99 TestLibrary.suggestSecurityManager("java.rmi.RMISecurityManager");
100
101 RMID rmid = null;
102
103 try {
104 RMID.removeLog();
105 rmid = RMID.createRMIDOnEphemeralPort();
106 rmid.start();
107
108 /* Cause activation groups to have a security policy that will
109 * allow security managers to be downloaded and installed
110 */
111 final Properties p = new Properties();
112 // this test must always set policies/managers in its
113 // activation groups
114 p.put("java.security.policy",
115 TestParams.defaultGroupPolicy);
116 p.put("java.security.manager",
117 TestParams.defaultSecurityManager);
118
119 Thread t = new Thread() {
120 public void run () {
121 try {
122 System.err.println("Creating group descriptor");
123 ActivationGroupDesc groupDesc =
124 new ActivationGroupDesc(p, null);
125 ActivationGroupID groupID =
126 ActivationGroup.getSystem().
127 registerGroup(groupDesc);
128
129 System.err.println("Creating descriptor: object 1");
130 ActivationDesc desc1 =
131 new ActivationDesc(groupID, "NestedActivate",
132 null, null);
133
134 System.err.println("Registering descriptor: object 1");
135 ActivateMe obj1 =
136 (ActivateMe) Activatable.register(desc1);
137
138 System.err.println("Creating descriptor: object 2");
139 ActivationDesc desc2 =
140 new ActivationDesc(groupID, "NestedActivate", null,
141 new MarshalledObject(obj1));
142
143 System.err.println("Registering descriptor: object 2");
144 ActivateMe obj2 =
145 (ActivateMe) Activatable.register(desc2);
146
147 System.err.println("Activating object 2");
148 obj2.ping();
149
150 System.err.println("Deactivating objects");
151 obj2.shutdown();
152 } catch (Exception e) {
153 exception = e;
154 }
155 done = true;
156 }
157 };
158
159 t.start();
160 t.join(35000);
161
162 if (exception != null) {
163 TestLibrary.bomb("test failed", exception);
164 } else if (!done) {
165 TestLibrary.bomb("test failed: not completed before timeout", null);
166 } else {
167 System.err.println("Test passed");
168 }
169
170 } catch (Exception e) {
171 TestLibrary.bomb("test failed", e);
172 } finally {
173 rmid.cleanup();
174 }
175 }
176 }