kafka LogReporter 源码
kafka LogReporter 代码
文件路径：/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/errors/LogReporter.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.connect.runtime.errors;
import org.apache.kafka.clients.producer.RecordMetadata;
import org.apache.kafka.connect.runtime.ConnectorConfig;
import org.apache.kafka.connect.util.ConnectorTaskId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Future;
/**
* Writes errors and their context to application logs.
*/
public class LogReporter implements ErrorReporter {
private static final Logger log = LoggerFactory.getLogger(LogReporter.class);
private static final Future<RecordMetadata> COMPLETED = CompletableFuture.completedFuture(null);
private final ConnectorTaskId id;
private final ConnectorConfig connConfig;
private final ErrorHandlingMetrics errorHandlingMetrics;
public LogReporter(ConnectorTaskId id, ConnectorConfig connConfig, ErrorHandlingMetrics errorHandlingMetrics) {
Objects.requireNonNull(id);
Objects.requireNonNull(connConfig);
Objects.requireNonNull(errorHandlingMetrics);
this.id = id;
this.connConfig = connConfig;
this.errorHandlingMetrics = errorHandlingMetrics;
}
/**
* Log error context.
*
* @param context the processing context.
*/
@Override
public Future<RecordMetadata> report(ProcessingContext context) {
if (!connConfig.enableErrorLog()) {
return COMPLETED;
}
if (!context.failed()) {
return COMPLETED;
}
log.error(message(context), context.error());
errorHandlingMetrics.recordErrorLogged();
return COMPLETED;
}
// Visible for testing
String message(ProcessingContext context) {
return String.format("Error encountered in task %s. %s", id,
context.toString(connConfig.includeRecordDetailsInErrorLog()));
}
}
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