[jira] [Created] (KAFKA-18230) admin client will fail immediately when the active controller changed

["Luke Chen (Jira)" <ji...@apache.org>]

Luke Chen created KAFKA-18230:
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             Summary: admin client will fail immediately when the active controller changed
                 Key: KAFKA-18230
                 URL: https://issues.apache.org/jira/browse/KAFKA-18230
             Project: Kafka
          Issue Type: Improvement
            Reporter: Luke Chen
            Assignee: Luke Chen


When admin client starts up, it'll get the metadata of the cluster. And when the admin client sends request directly to the controller (via --bootstrap-controller), it'll send the request to the active controller. But if there is a leadership change in the controller after the metadata request and before the target request sent, the request will fail immediately with NOT_CONTROLLER error or NOT_LEADER_OR_FOLLOWER error. It's because the requests that need metadata log change must need to do on the active controller. Instead of failing immediately, the admin client should catch the error and retry the metadata update to send the request again.



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