jolshan commented on a change in pull request #9944:
URL: https://github.com/apache/kafka/pull/9944#discussion_r671754759
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File path: core/src/main/scala/kafka/server/FetchSession.scala
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@@ -758,16 +814,25 @@ class FetchManager(private val time: Time,
case Some(session) => session.synchronized {
if (session.epoch != reqMetadata.epoch) {
debug(s"Session error for ${reqMetadata.sessionId}: expected
epoch " +
- s"${session.epoch}, but got ${reqMetadata.epoch} instead.");
+ s"${session.epoch}, but got ${reqMetadata.epoch} instead.")
new SessionErrorContext(Errors.INVALID_FETCH_SESSION_EPOCH,
reqMetadata)
+ } else if (session.usesTopicIds && reqVersion < 13 ||
!session.usesTopicIds && reqVersion >= 13) {
Review comment:
Changing the version is not allowed. I'm not sure I follow what you mean
by keeping version. Current usesTopicIds is set based on the version when the
session is first created and maintained throughout the session.
I think we will see this error transiently, but please let me know if you
continue to see this issue after I fix the bug below.
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