Guozhang Wang created KAFKA-10830:
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Summary: Kafka Producer API should throw unwrapped exceptions
Key: KAFKA-10830
URL: https://issues.apache.org/jira/browse/KAFKA-10830
Project: Kafka
Issue Type: Improvement
Components: producer
Reporter: Guozhang Wang
Today in various KafkaProducer APIs (especially send and transaction related)
we wrap many of the underlying exception with a KafkaException. In some nested
calls we may even wrap it more than once. Although the initial goal is to not
expose the root cause directly to users, it also brings confusion to advanced
user's error handling that some KafkaException wrapped root cause may be
handled differently.
Since all of those exceptions are public classes anyways (since one can still
get them via exception.root()) and they are all inheriting KafkaException, I'd
suggest we do not do any wrapping any more and throw the exception directly.
For those users who just capture all KafkaException and handle them universally
it is still compatible; but for those users who want to handle exceptions
differently it would introduce an easier way.
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