[jira] [Commented] (KAFKA-7499) Extend ProductionExceptionHandler to cover serialization exceptions

["Bill Bejeck (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-7499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16648073#comment-16648073 ] 

Bill Bejeck commented on KAFKA-7499:
------------------------------------

Thanks [~mjsax] I'm a +1 on this ticket

> Extend ProductionExceptionHandler to cover serialization exceptions
> -------------------------------------------------------------------
>
>                 Key: KAFKA-7499
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7499
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Matthias J. Sax
>            Priority: Major
>
> In [KIP-210|https://cwiki.apache.org/confluence/display/KAFKA/KIP-210+-+Provide+for+custom+error+handling++when+Kafka+Streams+fails+to+produce], an exception handler for the write path was introduced. This exception handler covers exception that are raised in the producer callback.
> However, serialization happens before the data is handed to the producer with Kafka Streams itself and the producer uses `byte[]/byte[]` key-value-pair types.
> Thus, we might want to extend the ProductionExceptionHandler to cover serialization exception, too, to skip over corrupted output messages. An example could be a "String" message that contains invalid JSON and should be serialized as JSON.
> This ticket might required a KIP.



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