/* * Copyright (c) 2010, 2015, 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 6963811 * @summary Tests deadlock in PropertyEditorManager * @author Sergey Malenkov * @modules java.desktop/com.sun.beans.editors * @compile -XDignore.symbol.file Test6963811.java * @run main Test6963811 */ import java.beans.PropertyEditorManager; import com.sun.beans.editors.StringEditor; public class Test6963811 implements Runnable { private final long time; private final boolean sync; public Test6963811(long time, boolean sync) { this.time = time; this.sync = sync; } public void run() { try { Thread.sleep(this.time); // increase the chance of the deadlock if (this.sync) { synchronized (Test6963811.class) { PropertyEditorManager.findEditor(Super.class); } } else { PropertyEditorManager.findEditor(Sub.class); } } catch (Exception exception) { exception.printStackTrace(); } } public static void main(String[] args) throws Exception { Thread[] threads = new Thread[2]; for (int i = 0; i < threads.length; i++) { threads[i] = new Thread(new Test6963811(0L, i > 0)); threads[i].start(); Thread.sleep(500L); // increase the chance of the deadlock } for (Thread thread : threads) { thread.join(); } } public static class Super { } public static class Sub extends Super { } public static class SubEditor extends StringEditor { public SubEditor() { new Test6963811(1000L, true).run(); } } }