001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.hadoop.ha;
019    
020    import java.io.IOException;
021    
022    import org.apache.hadoop.classification.InterfaceAudience;
023    import org.apache.hadoop.classification.InterfaceStability;
024    
025    /**
026     * Exception thrown to indicate that health check of a service failed.
027     */
028    @InterfaceAudience.Public
029    @InterfaceStability.Evolving
030    public class HealthCheckFailedException extends IOException {
031      private static final long serialVersionUID = 1L;
032    
033      public HealthCheckFailedException(final String message) {
034        super(message);
035      }
036      
037      public HealthCheckFailedException(String message, Throwable cause) {
038        super(message, cause);
039      }
040    }