[Bug] [ml] The readPosition is greater than the lastPosition

[hanmz]

Search before asking

• I searched in the issues and found nothing similar.

Read release policy

• I understand that unsupported versions don't get bug fixes. I will attempt to reproduce the issue on a supported version of Pulsar client and Pulsar broker.

Version

2.9.2

Minimal reproduce step

Currently, it cannot be reproduced stably.

What did you expect to see?

readPosition <= lastPosition + 1

What did you see instead?

readPosition > lastPosition + 1

Anything else?

The following is an example in a real scenario:
The topic max ledger is 35992528, but the readPosition ledger has reached 36641783.

The problem we encountered is relatively similar to the one here:
#17454

Are you willing to submit a PR?

• I'm willing to submit a PR!