bharanic-dev opened a new pull request #12930:
URL: https://github.com/apache/pulsar/pull/12930
Fixes #12929
### Motivation
A blocking thenAccept() call in metadata-store callback thread causes
deadlock.
### Modifications
Change thenAccept() to thenAcceptAsync() to avoid deadlock.
Also, add a monitor executor that monitors and logs the stack trace of
long-running metadata-store callback tasks.
### Verifying this change
- [x] Make sure that the change passes the CI checks.
This change is a trivial rework / code cleanup without any test coverage.
### Documentation
- [x] `no-need-doc`
It is a bug fix in in the internal implementation. No documentation impact.
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