53 lines
1.4 KiB
Java
53 lines
1.4 KiB
Java
|
//: concurrency/CaptureUncaughtException.java
|
|||
|
|
// <20>2015 MindView LLC: see Copyright.txt
|
|||
|
|
// {TimeOutDuringTesting}
|
|||
|
|
import java.util.concurrent.*;
|
|||
|
|
|
|||
|
|
class ExceptionThread2 implements Runnable {
|
|||
|
|
@Override
|
|||
|
|
public void run() {
|
|||
|
|
Thread t = Thread.currentThread();
|
|||
|
|
System.out.println("run() by " + t);
|
|||
|
|
System.out.println(
|
|||
|
|
"eh = " + t.getUncaughtExceptionHandler());
|
|||
|
|
throw new RuntimeException();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
class MyUncaughtExceptionHandler implements
|
|||
|
|
Thread.UncaughtExceptionHandler {
|
|||
|
|
@Override
|
|||
|
|
public void uncaughtException(Thread t, Throwable e) {
|
|||
|
|
System.out.println("caught " + e);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
class HandlerThreadFactory implements ThreadFactory {
|
|||
|
|
@Override
|
|||
|
|
public Thread newThread(Runnable r) {
|
|||
|
|
System.out.println(this + " creating new Thread");
|
|||
|
|
Thread t = new Thread(r);
|
|||
|
|
System.out.println("created " + t);
|
|||
|
|
t.setUncaughtExceptionHandler(
|
|||
|
|
new MyUncaughtExceptionHandler());
|
|||
|
|
System.out.println(
|
|||
|
|
"eh = " + t.getUncaughtExceptionHandler());
|
|||
|
|
return t;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public class CaptureUncaughtException {
|
|||
|
|
public static void main(String[] args) {
|
|||
|
|
ExecutorService exec = Executors.newCachedThreadPool(
|
|||
|
|
new HandlerThreadFactory());
|
|||
|
|
exec.execute(new ExceptionThread2());
|
|||
|
|
}
|
|||
|
|
} /* Output:
|
|||
|
|
HandlerThreadFactory@de6ced creating new Thread
|
|||
|
|
created Thread[Thread-0,5,main]
|
|||
|
|
eh = MyUncaughtExceptionHandler@1fb8ee3
|
|||
|
|
run() by Thread[Thread-0,5,main]
|
|||
|
|
eh = MyUncaughtExceptionHandler@1fb8ee3
|
|||
|
|
caught java.lang.RuntimeException
|
|||
|
|
*///:~
|