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/*
 * 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;
  }
}