[jira] [Created] (KAFKA-4042) Missing error handling in Worker.startConnector() can cause Herder thread to die

["Shikhar Bhushan (JIRA)" <ji...@apache.org>]

Shikhar Bhushan created KAFKA-4042:
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             Summary: Missing error handling in Worker.startConnector() can cause Herder thread to die
                 Key: KAFKA-4042
                 URL: https://issues.apache.org/jira/browse/KAFKA-4042
             Project: Kafka
          Issue Type: Bug
            Reporter: Shikhar Bhushan
            Assignee: Shikhar Bhushan


While errors in {{WorkerConnector}} are handled using the {{statusListener.onFailure()}} callback, before the {{WorkerConnector}} is created in {{Worker.startConnector()}} there can be exceptions because of e.g. a bad class name and these are currently not handled, causing the {{Herder}} thread to die.

Report of issue in wild: https://groups.google.com/d/msg/confluent-platform/EnleFnXpZCU/3B_gRxsRAgAJ



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