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https://issues.apache.org/jira/browse/KNOX-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17985281#comment-17985281
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Sandeep More commented on KNOX-1502:
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Thank you [~paulk]
Knox leverages Groovy for its shell and DSL. Specifically, Knox Shell (CLI
component of Knox) [1] is built on Groovy that allows users to execute commands
and scripts against a Knox protected cluster. Groovy DSL [2] service enables
programmatic access via a custom language for Knox.
[1] https://knox.apache.org/books/knox-2-1-0/user-guide.html#Client+Details
[2]
https://knox.apache.org/books/knox-2-1-0/user-guide.html#Client+DSL+and+SDK+Details
> Upgrade to jline 3.x
> --------------------
>
> Key: KNOX-1502
> URL: https://issues.apache.org/jira/browse/KNOX-1502
> Project: Apache Knox
> Issue Type: Improvement
> Reporter: Kevin Risden
> Priority: Major
> Attachments: KNOX-1502.patch
>
>
> *JLine 2.x development has come to an end, and users are encouraged to
> investigate the use of [JLine 3.x|https://github.com/jline/jline3] instead.*
> https://github.com/jline/jline2
> Found as part of KNOX-1491.
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