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https://issues.apache.org/jira/browse/HADOOP-14623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16095632#comment-16095632
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Hongyuan Li commented on HADOOP-14623:
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Hi [~bharatviswa]. Thanks for your kindly comment.In my opinion, the former
code use integer key is just to partition the data, which i don't think it is
necessary, however, the {{key.serializer}} must be set correctly anyway. Thanks.
> fixed some bugs in KafkaSink
> -----------------------------
>
> Key: HADOOP-14623
> URL: https://issues.apache.org/jira/browse/HADOOP-14623
> Project: Hadoop Common
> Issue Type: Bug
> Components: common, tools
> Affects Versions: 3.0.0-alpha3
> Reporter: Hongyuan Li
> Assignee: Hongyuan Li
> Attachments: HADOOP-14623-001.patch, HADOOP-14623-002.patch
>
>
> {{KafkaSink}}#{{init}} should set ack to *1* to make sure the message has
> been written to the broker at least.
> current code list below:
> {code}
>
> props.put("request.required.acks", "0");
> {code}
> *Update*
> find another bug about this class, {{key.serializer}} used
> {{org.apache.kafka.common.serialization.ByteArraySerializer}}, however, the
> key properties of Producer is Integer, codes list below:
> {code}
> props.put("key.serializer",
> "org.apache.kafka.common.serialization.ByteArraySerializer");
> ……………
> producer = new KafkaProducer<Integer, byte[]>(props);
> {code}
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