[jira] [Created] (KAFKA-10855) Non-local return in envelope validation in causes unexpected response send

["Jason Gustafson (Jira)" <ji...@apache.org>]

Jason Gustafson created KAFKA-10855:
---------------------------------------

             Summary: Non-local return in envelope validation in causes unexpected response send
                 Key: KAFKA-10855
                 URL: https://issues.apache.org/jira/browse/KAFKA-10855
             Project: Kafka
          Issue Type: Bug
            Reporter: Jason Gustafson
            Assignee: Jason Gustafson


`KafkaApis.handle` uses the following logic to validate the envelope:
```
      request.envelope.foreach { envelope =>
        if (maybeHandleInvalidEnvelope(envelope, request.header.apiKey)) {
          return
        }
      }
```
Since this is a non-local return, scala raises an exception, which then causes `handleError` to get invoked, which sends an error response.



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