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1   /**
2    * Copyright 2007 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase;
21  
22  
23  /**
24   * Thrown if a region server is passed an unknown scanner id.
25   * Usually means the client has take too long between checkins and so the
26   * scanner lease on the serverside has expired OR the serverside is closing
27   * down and has cancelled all leases.
28   */
29  public class UnknownScannerException extends DoNotRetryIOException {
30    private static final long serialVersionUID = 993179627856392526L;
31  
32    /** constructor */
33    public UnknownScannerException() {
34      super();
35    }
36  
37    /**
38     * Constructor
39     * @param s message
40     */
41    public UnknownScannerException(String s) {
42      super(s);
43    }
44  }