1/* 2 * Copyright (c) 2003, 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// see Deadlock.sh 26 27import java.security.*; 28 29public class Deadlock implements Runnable { 30 31 private volatile Exception exc; 32 33 public void run() { 34 try { 35 SecureRandom random = SecureRandom.getInstance("SHA1PRNG"); 36 System.out.println("getInstance() ok: " + random); 37 } catch (Exception e) { 38 System.out.println("Exception during getInstance() call: " + e); 39 this.exc = e; 40 } 41 } 42 43 public static void main(String[] args) throws Exception { 44 Deadlock d = new Deadlock(); 45 Thread t = new Thread(d); 46 t.start(); 47 String className = (args.length == 0) ? "com.abc.Tst1" : args[0]; 48 System.out.println("Loading class: " + className); 49 ClassLoader cl = ClassLoader.getSystemClassLoader(); 50 System.out.println("SystemClassLoader: " + cl); 51 Class clazz = cl.loadClass(className); 52 System.out.println("OK: " + clazz); 53 t.join(); 54 if (d.exc != null) { 55 throw d.exc; 56 } 57 } 58 59} 60