Magnus Edenhill created KAFKA-3547:
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Summary: Broker does not disconnect client on unknown request
Key: KAFKA-3547
URL: https://issues.apache.org/jira/browse/KAFKA-3547
Project: Kafka
Issue Type: Bug
Components: core
Affects Versions: 0.9.0.1, 0.9.0.0
Reporter: Magnus Edenhill
Priority: Critical
Fix For: 0.10.0.0
A regression in 0.9.0 causes the broker to not close a client connection when
receiving an unsupported request.
Two effects of this are:
- the client is not informed that the request was not supported (even though a
closed connection is a blunt indication it is infact some indication), the
request will (hopefully) just time out on the client after some time, stalling
sub-sequent operations.
- the broker leaks the connection until the connection reaper brings it down
or the client closes the connection
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