/*
* 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();
}
}
}
}
Messung V0.5 in Prozent C=98 H=75 G=87
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland