mjsax commented on a change in pull request #9047:
URL: https://github.com/apache/kafka/pull/9047#discussion_r459837317
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/GlobalStateManagerImpl.java
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@@ -299,7 +318,17 @@ private void restoreState(final StateRestoreCallback
stateRestoreCallback,
restoreRecords.add(recordConverter.convert(record));
}
}
- offset = globalConsumer.position(topicPartition);
+ try {
+ offset = globalConsumer.position(topicPartition);
+ } catch (final TimeoutException error) {
+ // the `globalConsumer.position()` call should never
block, because we know that we did
+ // a successful `position()` call above for the
requested partition and thus the consumer
+ // should have a valid local position that it can
return immediately
Review comment:
The bug would be in the consumer: it forgets its position and needs to
fetch it from the broker again (of course, we would only expose this bug, if
there is also a broker/network issue and the request actually times out... what
makes it a rather weak "check").
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