/*
 * Copyright 1999-2001 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package javax.naming;

/**
  * This exception is thrown when attempting to communicate with a
  * directory or naming service and that service is not available.
  * It might be unavailable for different reasons. For example,
  * the server might be too busy to service the request, or the server
  * might not be registered to service any requests, etc.
  * <p>
  * Synchronization and serialization issues that apply to NamingException
  * apply directly here.
  *
  * @author Rosanna Lee
  * @author Scott Seligman
  *
  * @since 1.3
  */

public class ServiceUnavailableException extends NamingException {
    /**
     * Constructs a new instance of ServiceUnavailableException using an
     * explanation. All other fields default to null.
     *
     * @param   explanation     Possibly null additional detail about this exception.
     * @see java.lang.Throwable#getMessage
     */
    public ServiceUnavailableException(String explanation) {
        super(explanation);
    }

    /**
      * Constructs a new instance of ServiceUnavailableException.
      * All fields default to null.
      */
    public ServiceUnavailableException() {
        super();
    }

    /**
     * Use serialVersionUID from JNDI 1.1.1 for interoperability
     */
    private static final long serialVersionUID = -4996964726566773444L;
}