pengxiangrui127 opened a new pull request, #23761:
URL: https://github.com/apache/pulsar/pull/23761
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<!-- Either this PR fixes an issue, -->
### Motivation
In the current process of closeAsync() in ProducerImpl.java, the client will
firstly set the producer to the Closing state, then stop timerTask of
sendTimeout, and then send a http request to broker to close the producer. When
the client receives a successful response from broker, it sets the producer to
the Closed state, removes the producer from the producers in client, and
complete the PendingMessage with AlreadyClosedException.
However, if the communication between client and broker is abnormal due to
network or other reasons, the PendingMessage will not be cleared anymore.
What's worse is that since the producer is already in the Closing state at this
time, there is no chance to trigger the cleanup of PendingMessage by calling
the closeAsync() again, which is obviously unreasonable.
### Modifications
There is no need to wait for the broker's response to clean up
PendingMessage. Once you decide to shut down the producer, there is no need to
retain the PendingMessage in the producer. At this time, failing quickly is
more valuable than waiting.
### Verifying this change
- [ ] Make sure that the change passes the CI checks.
*(Please pick either of the following options)*
This change is a trivial rework / code cleanup without any test coverage.
*(or)*
This change is already covered by existing tests, such as *(please describe
tests)*.
*(or)*
This change added tests and can be verified as follows:
*(example:)*
- *Added integration tests for end-to-end deployment with large payloads
(10MB)*
- *Extended integration test for recovery after broker failure*
### Does this pull request potentially affect one of the following parts:
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*If the box was checked, please highlight the changes*
- [ ] Dependencies (add or upgrade a dependency)
- [ ] The public API
- [ ] The schema
- [ ] The default values of configurations
- [ ] The threading model
- [ ] The binary protocol
- [ ] The REST endpoints
- [ ] The admin CLI options
- [ ] The metrics
- [ ] Anything that affects deployment
### Documentation
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- [ ] `doc-required` <!-- Your PR changes impact docs and you will update
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- [ ] `doc-not-needed` <!-- Your PR changes do not impact docs -->
- [ ] `doc-complete` <!-- Docs have been already added -->
### Matching PR in forked repository
PR in forked repository: <!-- ENTER URL HERE -->
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