Jason Gustafson created KAFKA-3318:
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Summary: Improve consumer rebalance error messaging
Key: KAFKA-3318
URL: https://issues.apache.org/jira/browse/KAFKA-3318
Project: Kafka
Issue Type: Improvement
Reporter: Jason Gustafson
Assignee: Jason Gustafson
A common problem with the new consumer is to have message processing take
longer than the session timeout, causing an unexpected rebalance.
Unfortunately, when this happens, the error messages are often cryptic (e.g.
something about illegal generation) and contain no clear advice on what to do
(e.g. increase session timeout). We should do a pass on error messages to
ensure that users receive clear guidance on the problem and possible solutions.
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