content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in 
   * compliance with the License. You may obtain a copy of the License at
   *
   * https://opensource.org/licenses/Apache-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License
   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
   * or implied. See the License for the specific language governing permissions and limitations under
   * the License.
   *
   */
  
  
  package com.tencent.angel.exception;
  
  /**
   * An error requesting an RPC protocol that the server is not serving.
   */
  public class UnknownProtocolException extends DoNotRetryIOException {
    private Class<?> protocol;
  
    private static final long serialVersionUID = 1642383186649806854L;
  
    public UnknownProtocolException(String msg) {
      super(msg);
    }
  
    public UnknownProtocolException(Class<?> protocol) {
      this(protocol, "Server is not handling protocol " + protocol.getName());
    }
  
    public UnknownProtocolException(Class<?> protocol, String mesg) {
      super(mesg);
      this.protocol = protocol;
    }
  
    public Class getProtocol() {
      return protocol;
    }
  }