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Compatibility, Deprecation, and Migration Plan

The current behavior in Connect is to kill the task on the first error in any stage. As mentioned above, this will remain the default behavior if connector configurations are not changed. 

Rejected Alternatives

Correcting records in the handler: the handler will not be responsible for providing corrected records. For sink records, the user can correct records and write the corrected records back to the origin Kafka topics using the dead letter queue mentioned above. For source records, the user can analyze the error messages and fix the data at the source.

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