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https://issues.apache.org/jira/browse/METRON-490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15687914#comment-15687914
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ASF GitHub Bot commented on METRON-490:
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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although it may be a couple of days out of date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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