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https://issues.apache.org/jira/browse/KAFKA-7726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16731238#comment-16731238
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Renato Mefi commented on KAFKA-7726:
------------------------------------
Try to check how is the consumer lag for the connect worker, 1 minute seems
indeed a long time, we should always expect eventual consistency for the
distributed mode but this looks a bit too much indeed.
May I know what kind of issues this is causing to you?
> Connector status on deletion
> ----------------------------
>
> Key: KAFKA-7726
> URL: https://issues.apache.org/jira/browse/KAFKA-7726
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Affects Versions: 1.1.0
> Reporter: Eyal Ringort
> Priority: Major
>
> When deleting a kafka-connect connector and then querying (via REST API -
> /connectors/connector-1234/status) for its status, response is not consistent
> - Sometimes we get:
> {code:java}
> HTTP/1.1 404 Not Found
> Content-Length: 88
> Content-Type: application/json
> Date: Wed, 12 Dec 2018 13:00:25 GMT
> Server: Jetty(9.2.24.v20180105)
> {
> "error_code": 404,
> "message": "No status found for connector connector-1234"
> }
> {code}
> And sometimes we get:
> {code:java}
> HTTP/1.1 200 OK
> Content-Length: 177
> Content-Type: application/json
> Date: Wed, 12 Dec 2018 13:00:06 GMT
> Server: Jetty(9.2.24.v20180105)
> {
> "connector": {
> "state": "UNASSIGNED",
> "worker_id": "kafka:8083"
> },
> "name": "connector-1234",
> "tasks": [
> {
> "id": 0,
> "state": "RUNNING",
> "worker_id": "kafka:8083"
> }
> ],
> "type": "unknown"
> }
> {code}
> and after a while (can be a few seconds and up to a minute) we get the 404
> response.
>
> Plus, sometimes REST API calls to /connectors/ get stuck when the connector
> is in this "UNASSIGNED" status.
>
> I'm using cp-kafka:4.1.2 & cp-kafka-connect:4.1.2
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