001/**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *     http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019package org.apache.hadoop.hbase;
020
021import org.apache.yetus.audience.InterfaceAudience;
022
023
024/**
025 * Thrown if a region server is passed an unknown scanner id.
026 * Usually means the client has take too long between checkins and so the
027 * scanner lease on the serverside has expired OR the serverside is closing
028 * down and has cancelled all leases.
029 */
030@InterfaceAudience.Public
031public class UnknownScannerException extends DoNotRetryIOException {
032  private static final long serialVersionUID = 993179627856392526L;
033
034  /** constructor */
035  public UnknownScannerException() {
036    super();
037  }
038
039  /**
040   * Constructor
041   * @param s message
042   */
043  public UnknownScannerException(String s) {
044    super(s);
045  }
046
047  public UnknownScannerException(String s, Exception e) {
048    super(s, e);
049  }
050}