1 /*
2 * Copyright (c) 1999, 2001, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javax.naming;
27
28 /**
29 * This exception is thrown when attempting to communicate with a
30 * directory or naming service and that service is not available.
31 * It might be unavailable for different reasons. For example,
32 * the server might be too busy to service the request, or the server
33 * might not be registered to service any requests, etc.
34 * <p>
35 * Synchronization and serialization issues that apply to NamingException
36 * apply directly here.
37 *
38 * @author Rosanna Lee
39 * @author Scott Seligman
40 *
41 * @since 1.3
42 */
43
44 public class ServiceUnavailableException extends NamingException {
45 /**
46 * Constructs a new instance of ServiceUnavailableException using an
47 * explanation. All other fields default to null.
48 *
49 * @param explanation Possibly null additional detail about this exception.
50 * @see java.lang.Throwable#getMessage
51 */
52 public ServiceUnavailableException(String explanation) {
53 super(explanation);
54 }
55
56 /**
57 * Constructs a new instance of ServiceUnavailableException.
58 * All fields default to null.
59 */
60 public ServiceUnavailableException() {
61 super();
62 }
63
64 /**
65 * Use serialVersionUID from JNDI 1.1.1 for interoperability
66 */
67 private static final long serialVersionUID = -4996964726566773444L;
68 }