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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.exceptions;
19  
20  import org.apache.hadoop.classification.InterfaceAudience;
21  import org.apache.hadoop.hbase.DoNotRetryIOException;
22  
23  /**
24   * Thrown by a RegionServer while doing next() calls on a ResultScanner. Both client and server
25   * maintain a nextCallSeq and if they do not match, RS will throw this exception.
26   */
27  @InterfaceAudience.Private
28  public class OutOfOrderScannerNextException extends DoNotRetryIOException {
29  
30    private static final long serialVersionUID = 4595751007554273567L;
31  
32    public OutOfOrderScannerNextException() {
33      super();
34    }
35  
36    public OutOfOrderScannerNextException(String msg) {
37      super(msg);
38    }
39  }