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 */
019
020package org.apache.hadoop.hbase.exceptions;
021
022import org.apache.yetus.audience.InterfaceAudience;
023
024/**
025 * An error requesting an RPC protocol that the server is not serving.
026 */
027@SuppressWarnings("serial")
028@InterfaceAudience.Public
029public class UnknownProtocolException extends org.apache.hadoop.hbase.DoNotRetryIOException {
030  private Class<?> protocol;
031
032  public UnknownProtocolException(String mesg) {
033    // required for unwrapping from a RemoteException
034    super(mesg);
035  }
036
037  public UnknownProtocolException(Class<?> protocol) {
038    this(protocol, "Server is not handling protocol "+protocol.getName());
039  }
040
041  public UnknownProtocolException(Class<?> protocol, String mesg) {
042    super(mesg);
043    this.protocol = protocol;
044  }
045
046  public Class getProtocol() {
047    return protocol;
048  }
049}