1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6487638 7041595
* @summary Calling LogManager.addLogger() and Logger.getLogger() cause deadlock
* @author Serguei Spitsyn
* @build LoggingDeadlock3
* @run main/timeout=80 LoggingDeadlock3
*/
import java.io.*;
import java.util.logging.LogManager;
import java.util.logging.Logger;
public class LoggingDeadlock3 {
static final int ITER_CNT = 50000;
static final String MSG_PASSED = "LoggingDeadlock3: passed";
static final LogManager logMgr = LogManager.getLogManager();
static final PrintStream out = System.out;
public static void main(String args[]) throws Exception {
String tstSrc = System.getProperty("test.src");
File fname = new File(tstSrc, "LoggingDeadlock3.props");
String prop = fname.getCanonicalPath();
System.setProperty("java.util.logging.config.file", prop);
logMgr.readConfiguration();
Thread t1 = new Thread(new AddLogger());
Thread t2 = new Thread(new GetLogger());
t1.start(); t2.start();
t1.join(); t2.join();
out.println("\n" + MSG_PASSED);
}
public static class MyLogger extends Logger {
protected MyLogger(String name) { super(name, null); }
}
public static class GetLogger implements Runnable {
public void run() {
for (int cnt = 0; cnt < ITER_CNT * 8; cnt++) {
Logger.getLogger("com.sun.Hello"+cnt/10);
if (cnt % 1000 == 0) out.print("1");
if (cnt % 10000 == 0) out.println();
}
}
}
public static class AddLogger implements Runnable {
public void run() {
for (int cnt = 0; cnt < ITER_CNT; cnt++) {
Logger addLogger = new MyLogger("com.sun.Hello"+cnt);
logMgr.addLogger(addLogger);
if (cnt % 100 == 0) out.print("2");
if (cnt % 1000 == 0) out.println();
}
}
}
}
|
