java多线程之捕获异常

package com.eshroe.sweetop.concurrency; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.ThreadFactory; //产生异常 class ExceptionThread implements Runnable { public void run() { Thread t=Thread.currentThread(); System.out.println("run() by "+t); System.out.println("eh = "+t.getUncaughtExceptionHandler()); throw new RuntimeException(); } } //跟踪异常 class MyUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler{ public void uncaughtException(Thread t, Throwable e) { System.out.println("caught "+e); } } //设置异常跟踪的线程工厂 class HandlerThreadFactory implements ThreadFactory{ 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 ExceptionThread()); } }