[jira] [Commented] (METRON-490) Stellar - Validation of Required Parameters

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/METRON-490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15687914#comment-15687914 ] 

ASF GitHub Bot commented on METRON-490:
---------------------------------------

Github user ottobackwards commented on the issue:

    https://github.com/apache/incubator-metron/pull/301
  
    Nick - I have a pr on your branch with an attempt to fix some of these, although it may be a couple of days out of date


> Stellar - Validation of Required Parameters
> -------------------------------------------
>
>                 Key: METRON-490
>                 URL: https://issues.apache.org/jira/browse/METRON-490
>             Project: Metron
>          Issue Type: Bug
>            Reporter: Nick Allen
>            Assignee: Nick Allen
>             Fix For: 0.3.0
>
>
> Currently, each Stellar function handles validation of required function parameters in its own way.  In some cases, we have functions that throw an IndexOutOfBoundsException, in other cases the function will produce its own error message and exception.
> There needs to be a standard mechanism to validate required function parameters.  This mechanism should handle missing parameters gracefully and provide an error message that makes sense to a user.



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