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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2019/07/30 08:40:34 UTC
[GitHub] [pulsar] Lanayx opened a new issue #4849: Acknowledged messages get
redelivered after broker failure
Lanayx opened a new issue #4849: Acknowledged messages get redelivered after broker failure
URL: https://github.com/apache/pulsar/issues/4849
**Describe the bug**
I'm expecting redelivery of the old acknowleged messages after one broker failure on default minikube helm installation.
**To Reproduce**
I'm testing basic pub/sub pulsar functionality in minikube. There is topic "public/default/test" with default settings. I'm using the same exclusive subscription "test-subscription" all them time. I register producer which produces 100 messages and consumer which consumes them and acks all messages one by one as they arrive, they run concurrently. I can run this many times and it works ok all the times. Then I want to test broker failure, I have 2 of them in local cluster and 1 proxy.
Steps to reproduce the behavior:
1. Run test before shutting down broker - everything works correctly, all messages produced and acknowledged
2. Shutdown one of brokers
3. Run the test again
4. After some reconnects are done internally - I get some random number of last messages from step1
**Expected behavior**
I expect that after messages are acknowledged successfully they never get into the same subscription again.
**Screenshots**
Here is a screenshot of messages from the 1st step that were received on 4th step
**Desktop (please complete the following information):**
- OS: Windows
- Environment: minikube
**Additional context**
Add any other context about the problem here.
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