philipnee commented on PR #15688:
URL: https://github.com/apache/kafka/pull/15688#issuecomment-2090947138
Hi @kirktrue - It was clearly documented why LegacyKafkaConsumer would do
this, maybe it is because in some scenarios users want to update the position
but actually don't care about the offset results. This is the snippet from the
LegacyKafkaConsumer code:
```
// if timeout is set to zero, do not try to poll the network
client at all
// and return empty immediately; otherwise try to get the
results synchronously
// and throw timeout exception if it cannot complete in time
if (timer.timeoutMs() == 0L)
return result;
```
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