kafka LogAndFailExceptionHandler 源码

2022-10-20
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kafka LogAndFailExceptionHandler 代码

文件路径：/streams/src/main/java/org/apache/kafka/streams/errors/LogAndFailExceptionHandler.java

/*
 * 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.streams.errors;

import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.streams.processor.ProcessorContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Map;


/**
 * Deserialization handler that logs a deserialization exception and then
 * signals the processing pipeline to stop processing more records and fail.
 */
public class LogAndFailExceptionHandler implements DeserializationExceptionHandler {
    private static final Logger log = LoggerFactory.getLogger(LogAndFailExceptionHandler.class);

    @Override
    public DeserializationHandlerResponse handle(final ProcessorContext context,
                                                 final ConsumerRecord<byte[], byte[]> record,
                                                 final Exception exception) {

        log.error("Exception caught during Deserialization, " +
                  "taskId: {}, topic: {}, partition: {}, offset: {}",
                  context.taskId(), record.topic(), record.partition(), record.offset(),
                  exception);

        return DeserializationHandlerResponse.FAIL;
    }

    @Override
    public void configure(final Map<String, ?> configs) {
        // ignore
    }
}

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