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https://issues.apache.org/jira/browse/FLUME-3043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15970538#comment-15970538
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Hudson commented on FLUME-3043:
-------------------------------
SUCCESS: Integrated in Jenkins build Flume-trunk-hbase-1 #245 (See
[https://builds.apache.org/job/Flume-trunk-hbase-1/245/])
FLUME-3043. Fix NPE in Kafka Sink and Channel (bessbd:
[http://git-wip-us.apache.org/repos/asf/flume/repo?p=flume.git&a=commit&h=c718dae09d10db640cb9eb59f8abb11bd385a799])
* (edit)
flume-ng-channels/flume-kafka-channel/src/main/java/org/apache/flume/channel/kafka/KafkaChannel.java
* (edit)
flume-ng-sinks/flume-ng-kafka-sink/src/main/java/org/apache/flume/sink/kafka/KafkaSink.java
> KafkaSink SinkCallback throws NullPointerException when Log4J level is debug
> ----------------------------------------------------------------------------
>
> Key: FLUME-3043
> URL: https://issues.apache.org/jira/browse/FLUME-3043
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Affects Versions: 1.7.0
> Reporter: dengkai
> Assignee: dengkai
> Fix For: 1.8.0
>
> Attachments: FLUME-3043.patch
>
>
> When we send a event with SinkCallback to kafka under DEBUG level of log4j,
> if kafka reponses a result with exception but not a RecordMetadata. Kafka
> Sink will throw NPE.
> code in SinkCallback:
> {code}
> if (logger.isDebugEnabled()) {
> long eventElapsedTime = System.currentTimeMillis() - startTime;
> logger.debug("Acked message partition:{} ofset:{}", metadata.partition(),
> metadata.offset());
> logger.debug("Elapsed time for send: {}", eventElapsedTime);
> }
> {code}
> code in Kafka Producer:
> {code}
> if (exception == null) {
> RecordMetadata metadata = new RecordMetadata(...);
> thunk.callback.onCompletion(metadata, null);
> } else {
> thunk.callback.onCompletion(null, exception);
> }
> {code}
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