GH-1519: Fix @SendTo on @KafkaHandler #1524
Merged
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Resolves #1519
An empty
@SendTo
on a@KafkaListener
method means send the replyto the
KafkaHeaders.REPLY_TOPIC
header.This default was not applied for class-level
@KafkaListener
s.backport to 2.4.x, 2.3.x, 2.2.x
(I will do the back ports, because I expect conflicts).