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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  }