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https://issues.apache.org/jira/browse/NIFI-2515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15413973#comment-15413973
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ASF subversion and git services commented on NIFI-2515:
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Commit 18f415001589a7298f3d59c3f844d8865d719050 in nifi's branch
refs/heads/master from [~ozhurakousky]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=18f4150 ]
NIFI-2515 This closes #814. fixed Kafka serialization/deserialization settings
> Setting key.serializer in publish kafka leads to
> org.apache.kafka.common.errors.SerializationException
> ------------------------------------------------------------------------------------------------------
>
> Key: NIFI-2515
> URL: https://issues.apache.org/jira/browse/NIFI-2515
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.0.0-Beta
> Reporter: Arpit Gupta
> Assignee: Oleg Zhurakousky
> Priority: Minor
> Fix For: 1.0.0, 0.8.0
>
>
> If one sets key.serializer in the publish kafka processor we see error
> {code}
> 4895-9b14-9e8b1d88755e}, body={topics=[putMessages-83cf2948-b110-2016-08-07
> 17:11:56,191 ERROR [Timer-Driven Process Thread-7]
> o.a.n.p.kafka.pubsub.PublishKafka
> PublishKafka[id=65fd2baf-0156-1000-ffff-fffff6bf89be]
> PublishKafka[id=65fd2baf-0156-1000-ffff-fffff6bf89be] failed to process due
> to org.apache.kafka.common.errors.SerializationException: Can't convert key
> of class [B to class org.apache.kafka.common.serialization.IntegerSerializer
> specified in key.serializer; rolling back session:
> org.apache.kafka.common.errors.SerializationException: Can't convert key of
> class [B to class org.apache.kafka.common.serialization.IntegerSerializer
> specified in key.serializer
> {code}
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