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https://issues.apache.org/jira/browse/NIFI-4798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Burgess updated NIFI-4798:
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Fix Version/s: 1.19.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> UpdateAttribute should allow empty string values without requiring state
> management
> -----------------------------------------------------------------------------------
>
> Key: NIFI-4798
> URL: https://issues.apache.org/jira/browse/NIFI-4798
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework, Extensions
> Reporter: Mark Bean
> Priority: Minor
> Labels: easyfix
> Fix For: 1.19.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> The conditional validation of dynamic properties in UpdateAttribute use the
> NON_EMPTY_STRING validator when state management is not enabled. This prevent
> the "Set empty string" checkbox option. The introduction of state management
> to this processor changed this behavior which previously allowed an empty
> string for an attribute value. The validator for the non-stateful case should
> be changed to return the original behavior.
>
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