[Bug] Empty consumer groups can be created but cannot be consumed #9044
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The UpdateSubGroup operation lacks verification when the consumer group name is empty. Have you submitted the fixed PR now?If not, I will submit a PR to try to fix it. |
Not yet, you can fix this if you can. |
Willhow-Gao
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…teSubGroup operation
Willhow-Gao
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Before Creating the Bug Report
I found a bug, not just asking a question, which should be created in GitHub Discussions.
I have searched the GitHub Issues and GitHub Discussions of this repository and believe that this is not a duplicate.
I have confirmed that this bug belongs to the current repository, not other repositories of RocketMQ.
Runtime platform environment
CentOS 8
RocketMQ version
4.9.8 and 5.3.1
JDK Version
1.8.0
Describe the Bug
Create blank consumer group with mqadmin:
Broker subGroup config:
Use benchmark tools to consume it but failed:
Steps to Reproduce
In any version, use mqadmin to create empty consume group.
What Did You Expect to See?
Broker should forbidden to create empty consumer group.
What Did You See Instead?
Create empty consumer group success.
Additional Context
No response
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