[jira] [Commented] (KAFKA-4878) Kafka Connect does not log connector configuration errors

["Gwen Shapira (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-4878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15923586#comment-15923586 ] 

Gwen Shapira commented on KAFKA-4878:
-------------------------------------

This is even worse in stand-alone mode because if you start it with bad config, it won't start and you don't even have a REST API...

So far I ran into 4 users complaining about it, and 3.2 has only been out for a week...

> Kafka Connect does not log connector configuration errors
> ---------------------------------------------------------
>
>                 Key: KAFKA-4878
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4878
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Gwen Shapira
>             Fix For: 0.10.2.1
>
>
> Currently, on connector configuration error, Kafka Connect (both distributed and stand alone) logs:
> org.apache.kafka.connect.runtime.rest.errors.BadRequestException: Connector configuration is invalid (use the endpoint `/{connectorType}/config/validate` to get a full list of errors)
> This is annoying because:
> 1. If I'm using stand-alone mode, I may have configured my connector via configuration file and I don't want to know about the REST API at all.
> 2. The output of validate is rather annoying
> What I'd like to see in the output is:
> 1. number of errors in my configuration
> 2. at least one error, preferably all of them



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