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https://issues.apache.org/jira/browse/KAFKA-19812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18032928#comment-18032928
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Manas Poddar commented on KAFKA-19812:
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Hi [~crw31] , I guess I don't have access to assign the issues.
> Unbound Error Thrown if some variables are not set for SASL/SSL configuration
> -----------------------------------------------------------------------------
>
> Key: KAFKA-19812
> URL: https://issues.apache.org/jira/browse/KAFKA-19812
> Project: Kafka
> Issue Type: Improvement
> Components: docker
> Affects Versions: 4.1.0
> Reporter: Manas Poddar
> Priority: Minor
>
> I was trying to set up a {*}Kafka container with SASL_SSL configuration{*},
> but I {*}missed setting up some environment variables{*}, and {*}Kafka kept
> exiting with an unbound variable error{*}. I checked the
> *{{/etc/kafka/docker/configure}}* file — it has an *{{ensure}} function* to
> check and instruct the user when a particular environment variable is not
> set. I also {*}checked the Docker history and the parent running file{*}, but
> they {*}gave no clue about running the {{.sh}} files with {{set -u}}{*}.
> This issue is {*}just an enhancement to properly log the error details{*}.
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