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https://issues.apache.org/jira/browse/KAFKA-3836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15363945#comment-15363945
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ASF GitHub Bot commented on KAFKA-3836:
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Github user jeyhunkarimov closed the pull request at:
https://github.com/apache/kafka/pull/1585
> KStreamReduce and KTableReduce should not pass nulls to Deserializers
> ---------------------------------------------------------------------
>
> Key: KAFKA-3836
> URL: https://issues.apache.org/jira/browse/KAFKA-3836
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.10.0.0
> Reporter: Avi Flax
> Assignee: Jeyhun Karimov
> Priority: Trivial
> Labels: architecture
>
> As per [this
> discussion|http://mail-archives.apache.org/mod_mbox/kafka-users/201606.mbox/%3ccahwhrru29jw4jgvhsijwbvlzb3bc6qz6pbh9tqcfbcorjk4...@mail.gmail.com%3e]
> these classes currently pass null values along to Deserializers, so those
> Deserializers need to handle null inputs and pass them through without
> throwing. It would be better for these classes to simply not call the
> Deserializers in this case; this would reduce the burden of implementers of
> {{Deserializer}}.
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