congbobo184 opened a new pull request, #20032:
URL: https://github.com/apache/pulsar/pull/20032
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<!-- Either this PR fixes an issue, -->
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Master Issue:
Fixes client redeliver epoch bigger than broker consumer epoch.
Now redeliver method exists above race condition:
1. consumer reconnects to the broker with the epoch (1)
2. client consumer invokes redeliver command with epoch (2) and find the
consumer doesn't connect, so ignore this redeliver command
3. the result is broker send message with epoch(1), client will filter these
message
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### Motivation
fix this issue
### Modifications
1. client sends redeliver command don't check the consumer state only check
the cnx to see whether been set to the client
2. broker consumer future complete, then process the redeliver command, if
complete exception don't need to handle, because conusmer will reconnect with
the epoch
### Verifying this change
add test for it
### Does this pull request potentially affect one of the following parts:
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- [ ] 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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