1 /**
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19 package org.apache.hadoop.hbase;
20
21 import org.apache.hadoop.hbase.classification.InterfaceAudience;
22 import org.apache.hadoop.hbase.classification.InterfaceStability;
23
24
25 /**
26 * Thrown if a region server is passed an unknown scanner id.
27 * Usually means the client has take too long between checkins and so the
28 * scanner lease on the serverside has expired OR the serverside is closing
29 * down and has cancelled all leases.
30 */
31 @InterfaceAudience.Public
32 @InterfaceStability.Stable
33 public class UnknownScannerException extends DoNotRetryIOException {
34 private static final long serialVersionUID = 993179627856392526L;
35
36 /** constructor */
37 public UnknownScannerException() {
38 super();
39 }
40
41 /**
42 * Constructor
43 * @param s message
44 */
45 public UnknownScannerException(String s) {
46 super(s);
47 }
48
49 public UnknownScannerException(String s, Exception e) {
50 super(s, e);
51 }
52 }