View Javadoc

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.classification.InterfaceAudience;
22  import org.apache.hadoop.classification.InterfaceStability;
23  import org.apache.hadoop.hbase.HBaseIOException;
24  
25  /**
26   * This exception is thrown by the master when a region server was shut down and
27   * restarted so fast that the master still hasn't processed the server shutdown
28   * of the first instance, or when master is initializing and client call admin
29   * operations, or when an operation is performed on a region server that is still starting.
30   */
31  @SuppressWarnings("serial")
32  @InterfaceAudience.Public
33  @InterfaceStability.Stable
34  public class PleaseHoldException extends HBaseIOException {
35    public PleaseHoldException(String message) {
36      super(message);
37    }
38  
39    public PleaseHoldException(String message, Throwable cause) {
40      super(message, cause);
41    }
42  
43    public PleaseHoldException(Throwable cause) {
44      super(cause);
45    }
46  }