/* * 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.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ /* * This file is available under and governed by the GNU General Public * License version 2 only, as published by the Free Software Foundation. * However, the following notice accompanied the original version of this * file: * * Written by Doug Lea with assistance from members of JCP JSR-166 * Expert Group and released to the public domain, as explained at * http://creativecommons.org/publicdomain/zero/1.0/ */ package java.util.concurrent; /** * Exception thrown when attempting to retrieve the result of a task * that aborted by throwing an exception. This exception can be * inspected using the {@link #getCause()} method. * * @see Future * @since 1.5 * @author Doug Lea */public class ExecutionException extends Exception {    private static final long serialVersionUID = 7830266012832686185L;     /**     * Constructs an <tt>ExecutionException</tt> with no detail message.     * The cause is not initialized, and may subsequently be     * initialized by a call to {@link #initCause(Throwable) initCause}.     */    protected ExecutionException() { }     /**     * Constructs an <tt>ExecutionException</tt> with the specified detail     * message. The cause is not initialized, and may subsequently be     * initialized by a call to {@link #initCause(Throwable) initCause}.     *     * @param message the detail message     */    protected ExecutionException(String message) {        super(message);    }     /**     * Constructs an <tt>ExecutionException</tt> with the specified detail     * message and cause.     *     * @param  message the detail message     * @param  cause the cause (which is saved for later retrieval by the     *         {@link #getCause()} method)     */    public ExecutionException(String message, Throwable cause) {        super(message, cause);    }     /**     * Constructs an <tt>ExecutionException</tt> with the specified cause.     * The detail message is set to:     * <pre>     *  (cause == null ? null : cause.toString())</pre>     * (which typically contains the class and detail message of     * <tt>cause</tt>).     *     * @param  cause the cause (which is saved for later retrieval by the     *         {@link #getCause()} method)     */    public ExecutionException(Throwable cause) {        super(cause);    }}