'null' consumer group
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Description
After updating to Burrow 1.0 I noticed we're receiving alerts for a `'null'` consumer group and it has no status. This is for info from a 0.8.x cluster.
```
The Kafka consumer groups you are monitoring are currently showing problems. The following groups are in a problem state (groups not listed are OK):
Cluster: kafka
Group: null
Status:
Complete: 1
Errors: 24 partitions have problems
```
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the alert with a Kafka 0.8.x cluster and trace how the monitored consumer-group data becomes the alert message. Done means Burrow no longer reports a 'null' consumer group with an empty status, while valid group alerts remain correct.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go, kafka
- Domain
- stream-processing
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100