01 /*
02 * Copyright 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any 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 * @version 1.15 07/05/05
42 * @since 1.3
43 */
44
45 public class ServiceUnavailableException extends NamingException {
46 /**
47 * Constructs a new instance of ServiceUnavailableException using an
48 * explanation. All other fields default to null.
49 *
50 * @param explanation Possibly null additional detail about this exception.
51 * @see java.lang.Throwable#getMessage
52 */
53 public ServiceUnavailableException(String explanation) {
54 super (explanation);
55 }
56
57 /**
58 * Constructs a new instance of ServiceUnavailableException.
59 * All fields default to null.
60 */
61 public ServiceUnavailableException() {
62 super ();
63 }
64
65 /**
66 * Use serialVersionUID from JNDI 1.1.1 for interoperability
67 */
68 private static final long serialVersionUID = -4996964726566773444L;
69 }
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