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https://issues.apache.org/jira/browse/NIFI-210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15116552#comment-15116552
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Matt Burgess commented on NIFI-210:
-----------------------------------

Sounds good to me. Some scripts will require some boilerplate (getting your 
expected flow file, e.g.) but the exchange for flexibility is much more 
rewarding. Rollback is well-understood and well-supported so I think the user 
experience will be as smooth as can be expected from a Wild West scripting 
scenario.  Failure scenarios may be more than just bad inputs but the semantics 
seem clear.

> Provide an ExecuteScript processor
> ----------------------------------
>
>                 Key: NIFI-210
>                 URL: https://issues.apache.org/jira/browse/NIFI-210
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Core Framework
>    Affects Versions: 0.0.1
>            Reporter: A. Steven Anderson
>            Assignee: Matt Burgess
>              Labels: processor, scala
>             Fix For: 0.5.0
>
>         Attachments: 
> 0001-NIFI-210-few-tweaks-to-drop-static-reference-and-fix.patch
>
>
> Add latest Scala version support for ExcecuteScript processor.
> Should also support Clojure as per discussion and request on mailing list 
> http://mail-archives.apache.org/mod_mbox/nifi-dev/201506.mbox/%3CCAMpSqch4GK1gnw6M1u8tH6AN8e_miXZN5SNkAeMjBujXYGqJiw%40mail.gmail.com%3E
> UPDATE: The ScriptEngine for Clojure is not being maintained and is not 
> currently available via Maven Central or a public repository. Recommend 
> adding Clojure as a separate Improvement Jira case.



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