1 /* 2 * Copyright (c) 1999, 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 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4288198 27 * @summary Killing a Timer thread causes the Timer to fail silently on 28 * subsequent use. 29 */ 30 31 import java.util.*; 32 33 public class KillThread { 34 public static void main (String[] args) throws Exception { 35 final Thread[] tdThread = new Thread[1]; 36 Timer t = new Timer(); 37 38 // Start a mean event that kills the timer thread 39 t.schedule(new TimerTask() { 40 public void run() { 41 tdThread[0] = Thread.currentThread(); 42 throw new ThreadDeath(); 43 } 44 }, 0); 45 46 // Wait for mean event to do the deed and thread to die. 47 try { 48 do { 49 Thread.sleep(100); 50 } while(tdThread[0] == null); 51 } catch(InterruptedException e) { 52 } 53 tdThread[0].join(); 54 55 // Try to start another event 56 try { 57 // Timer thread is dead now 58 t.schedule(new TimerTask() { 59 public void run() { 60 } 61 }, 0); 62 throw new Exception("We failed silently"); 63 } catch(IllegalStateException e) { 64 // Killing the Timer thread is equivalent to cancelling the Timer 65 } 66 } 67 }