1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17
18package java.net;
19
20/**
21 * The {@code NoRouteToHostException} will be thrown while attempting to connect
22 * to a remote host but the host cannot be reached for instance because of a
23 * badly configured router or a blocking firewall.
24 *
25 * <p>Most applications <strong>should not</strong> catch this exception; it is
26 * more robust to catch the superclass {@code SocketException}.
27 */
28public class NoRouteToHostException extends SocketException {
29
30    private static final long serialVersionUID = -1897550894873493790L;
31
32    /**
33     * Constructs a new instance.
34     */
35    public NoRouteToHostException() {
36    }
37
38    /**
39     * Constructs a new instance with the given detail message.
40     */
41    public NoRouteToHostException(String detailMessage) {
42        super(detailMessage);
43    }
44
45    /**
46     * Constructs a new instance with given detail message and cause.
47     * @hide internal use only
48     */
49    public NoRouteToHostException(String detailMessage, Throwable cause) {
50        super(detailMessage, cause);
51    }
52}
53