content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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
   *
   *    http://www.apache.org/licenses/LICENSE-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 org.apache.kafka.common.errors;
  
  import javax.security.sasl.SaslServer;
  
  /**
   * This exception indicates that SASL authentication has failed. The error message
   * in the exception indicates the actual cause of failure.
   * <p>
   * SASL authentication failures typically indicate invalid credentials, but
   * could also include other failures specific to the SASL mechanism used
   * for authentication.
   * </p>
   * <p><b>Note:</b>If {@link SaslServer#evaluateResponse(byte[])} throws this exception during
   * authentication, the message from the exception will be sent to clients in the SaslAuthenticate
   * response. Custom {@link SaslServer} implementations may throw this exception in order to
   * provide custom error messages to clients, but should take care not to include any
   * security-critical information in the message that should not be leaked to unauthenticated clients.
   * </p>
   */
  public class SaslAuthenticationException extends AuthenticationException {
  
      private static final long serialVersionUID = 1L;
  
      public SaslAuthenticationException(String message) {
          super(message);
      }
  
      public SaslAuthenticationException(String message, Throwable cause) {
          super(message, cause);
      }
  
  }
  