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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/09/17 03:27:38 UTC
[GitHub] [pulsar] sruon opened a new issue #12074: PersistentReplicator Unexpected exception: null
sruon opened a new issue #12074:
URL: https://github.com/apache/pulsar/issues/12074
**Describe the bug**
Whenever replication is enabled between two clusters, we come across the following error messages:
```
17:09:22.536 [bookkeeper-ml-workers-OrderedExecutor-3-0] ERROR org.apache.pulsar.broker.service.persistent.PersistentReplicator - [persistent://xxx/xxx/default-partition-1][xxxA -> xxxB] Unexpected exception: null
```
- The messages appear every couple seconds
- The messages appear on both ends
- The replication appears to be operating properly
- Replication was enabled and disabled a couple of times with no meaningful progress, the error keeps appearing.
- There's no stack trace occuring with the message
**To Reproduce**
Steps to reproduce the behavior:
- Unclear how to reproduce the issue, it appears on a specific pair of clusters.
**Expected behavior**
- No error messages
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Desktop (please complete the following information):**
- Pulsar 2.6.1
- Kubernetes
- AWS environment on both ends
**Additional context**
We're not clear if this is causing any actual issue, the exception happens in this block https://github.com/apache/pulsar/blob/v2.6.1/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentReplicator.java#L332 but we're not sure exactly which code line is causing this.
I found #9763 that may be related, let me know if it is the case.
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[GitHub] [pulsar] github-actions[bot] commented on issue #12074: PersistentReplicator Unexpected exception: null
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #12074:
URL: https://github.com/apache/pulsar/issues/12074#issuecomment-1054903118
The issue had no activity for 30 days, mark with Stale label.
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[GitHub] [pulsar] gaoran10 commented on issue #12074: PersistentReplicator Unexpected exception: null
Posted by GitBox <gi...@apache.org>.
gaoran10 commented on issue #12074:
URL: https://github.com/apache/pulsar/issues/12074#issuecomment-922150033
It seems that PR #9763 fixed an NPE problem, but this issue didn't have clear error information. The topic replication could work well, right? Could the remote topic receive all replicated messages?
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