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 * Thrown if a region server is passed an unknown scanner ID.
26 * This usually means that the client has taken too long between checkins and so the
27 * scanner lease on the server-side has expired OR the server-side is closing
28 * down and has cancelled all leases.
29 */
30 @InterfaceAudience.Public
31 @InterfaceStability.Stable
32 public class UnknownScannerException extends DoNotRetryIOException {
33 private static final long serialVersionUID = 993179627856392526L;
34
35 public UnknownScannerException() {
36 super();
37 }
38
39 /**
40 * @param message the message for this exception
41 */
42 public UnknownScannerException(String message) {
43 super(message);
44 }
45
46 /**
47 * @param message the message for this exception
48 * @param exception the exception to grab data from
49 */
50 public UnknownScannerException(String message, Exception exception) {
51 super(message, exception);
52 }
53 }