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https://issues.apache.org/jira/browse/METRON-1339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272753#comment-16272753
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ASF GitHub Bot commented on METRON-1339:
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Github user ottobackwards commented on the issue:

    https://github.com/apache/metron/pull/856
  
    So, the scenario here is checking things that *were* valid when uploaded, 
but have been invalidated by external changes ( language changes ).  I would 
like to keep the magic specific.
    
    I think the functionality for the management functions is valid, but can we 
do that as a separate Jira/PR?  I'll do it, I just want to keep this tight.  If 
you create the jira and assign it to me that would be super.
    
    I would do the files on disk using the management functions as well.
    
    So we just need to think of the stellar interface for calling
    `VALIDATE`  with a string, and with a file path.  Also saying what 
configuration type it is.
    
    Does that make sense?


> Stellar Shell: Should have a way to validate deployed functions
> ---------------------------------------------------------------
>
>                 Key: METRON-1339
>                 URL: https://issues.apache.org/jira/browse/METRON-1339
>             Project: Metron
>          Issue Type: New Feature
>            Reporter: Otto Fowler
>            Assignee: Otto Fowler
>
> It is possible that the Stellar Language is changed during a release, meaning 
> stellar expressions that are in zookeeper are now invalid, and will not run.
> Currently users cannot verify this without just letting them fail and hunting 
> the errors down.
> The Stellar Shell should expose a '%' function that will verify that all 
> stellar functions compile and are syntactically correct.



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