1 /*
2  * Copyright (c) 2013, 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
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22  */
23 import java.util.logging.Logger;
24 import sun.awt.AppContext;
25 import sun.awt.SunToolkit;
26 
27 
28 /**
29  * @test
30  * @bug 8026404
31  * @summary checks that calling getLogger() from a Thread whose ThreadGroup is
32  *          a child of the main root group doesn't throw an exception.
33  * @modules java.desktop/sun.awt
34  *          java.logging
35  * @build TestMainAppContext
36  * @run main/othervm TestMainAppContext
37  * @author danielfuchs
38  */
39 public class TestMainAppContext {
40 
41     static volatile Throwable thrown = null;
42 
main(String... args)43     public static void main(String... args) throws Exception {
44         ThreadGroup rootTG = Thread.currentThread().getThreadGroup();
45         while (rootTG.getParent() != null) {
46             rootTG = rootTG.getParent();
47         }
48 
49         ThreadGroup tg = new ThreadGroup(rootTG, "FakeApplet");
50         final Thread t1 = new Thread(tg, "createNewAppContext") {
51             @Override
52             public void run() {
53                 try {
54                     AppContext context = SunToolkit.createNewAppContext();
55                 } catch(Throwable t) {
56                     thrown = t;
57                 }
58             }
59         };
60         t1.start();
61         t1.join();
62         if (thrown != null) {
63             throw new RuntimeException("Unexpected exception: " + thrown, thrown);
64         }
65         Thread t2 = new Thread(tg, "BugDetector") {
66 
67             @Override
68             public void run() {
69                 try {
70                     Logger.getLogger("foo").info("Done");
71                 } catch (Throwable x) {
72                     thrown = x;
73                 }
74             }
75 
76         };
77 
78         System.setSecurityManager(new SecurityManager());
79         t2.start();
80         t2.join();
81         if (thrown != null) {
82             throw new RuntimeException("Test failed: " + thrown, thrown);
83         }
84 
85     }
86 
87 }
88