[jira] [Commented] (NIFI-4798) UpdateAttribute should allow empty string values without requiring state management

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-4798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17629081#comment-17629081 ] 

ASF subversion and git services commented on NIFI-4798:
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Commit 4e4f6437eed9e754ec13ae419f46742407f3b718 in nifi's branch refs/heads/main from Mark Bean
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=4e4f6437ee ]

NIFI-4798 allow empty value for UpdateAttribute property

Signed-off-by: Matthew Burgess <ma...@apache.org>

This closes #6585


> 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
>          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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