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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;
20  
21  import org.apache.hadoop.hbase.classification.InterfaceAudience;
22  import org.apache.hadoop.hbase.classification.InterfaceStability;
23  
24  /**
25   * This exception is thrown by the master when a region server was shut down and
26   * restarted so fast that the master still hasn't processed the server shutdown
27   * of the first instance, or when master is initializing and client call admin
28   * operations, or when an operation is performed on a region server that is still starting.
29   */
30  @SuppressWarnings("serial")
31  @InterfaceAudience.Public
32  @InterfaceStability.Stable
33  public class PleaseHoldException extends HBaseIOException {
34    public PleaseHoldException(String message) {
35      super(message);
36    }
37  
38    public PleaseHoldException(String message, Throwable cause) {
39      super(message, cause);
40    }
41  
42    public PleaseHoldException(Throwable cause) {
43      super(cause);
44    }
45  }