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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.regionserver;
20  
21  import java.io.IOException;
22  
23  import org.apache.hadoop.classification.InterfaceAudience;
24  import org.apache.hadoop.classification.InterfaceStability;
25  
26  /**
27   * Thrown if the region server log directory exists (which indicates another
28   * region server is running at the same address)
29   */
30  @InterfaceAudience.Public
31  @InterfaceStability.Evolving
32  public class RegionServerRunningException extends IOException {
33    private static final long serialVersionUID = 1L << 31 - 1L;
34  
35    /** Default Constructor */
36    public RegionServerRunningException() {
37      super();
38    }
39  
40    /**
41     * Constructs the exception and supplies a string as the message
42     * @param s - message
43     */
44    public RegionServerRunningException(String s) {
45      super(s);
46    }
47  
48  }