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https://issues.apache.org/jira/browse/VELOCITY-553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12522367
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Will Glass-Husain commented on VELOCITY-553:
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Good comment. Rather than a configuration option, we should just change the
behavior.
It's an experimental feature, seems ok to me alter.
Targeting for 1.6.
> Posibility to configure ReportInvalidReferences to don't report report
> variables,properties and method which exist, but only have null value
> --------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: VELOCITY-553
> URL: https://issues.apache.org/jira/browse/VELOCITY-553
> Project: Velocity
> Issue Type: Improvement
> Components: Engine
> Affects Versions: 1.5
> Environment: any
> Reporter: Tomáš Procházka
> Fix For: 1.6
>
>
> ReportInvalidReferences has very big imperfection, it report by default all
> variables, properties and method which has null value.
> This may cause many problems for developer.
> I for example need only validate template without any data, only check which
> contain right variables, properties or method (which exist), it's value is
> not important for me.
> I tried use my own ReferenceInsertionEventHandler for replace null value with
> "" (empty String) but Velocity call InvalidReference handler before
> ReferenceInsertionEventHandler.
> I suggest configuration options for this (repor or doesn't report null value)
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