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https://issues.apache.org/jira/browse/NIFI-15971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rakesh Kumar Singh reassigned NIFI-15971:
-----------------------------------------
Assignee: Rakesh Kumar Singh
> Optional Flow Validation Bypass for Missing Directories in Apache MiNiFi
> ------------------------------------------------------------------------
>
> Key: NIFI-15971
> URL: https://issues.apache.org/jira/browse/NIFI-15971
> Project: Apache NiFi
> Issue Type: Improvement
> Components: MiNiFi
> Affects Versions: 2.9.0
> Environment: minifi on rhel
> Reporter: dariusz wapinski
> Assignee: Rakesh Kumar Singh
> Priority: Major
>
> Hello,
>
> I would like to ask whether it would be possible to add a configuration flag
> in Apache MiNiFi that disables flow validation related to missing directories
> during agent startup.
>
> For example, when a flow uses the ListFile processor and the source directory
> does not exist yet, the MiNiFi agent fails to start because the flow is
> considered invalid.
>
> In some environments, directories are created dynamically after the agent has
> already started. In such cases, it would be very useful to have an option to
> bypass this validation. Instead of preventing startup, the agent could simply
> log a warning or error message indicating that the directory does not
> currently exist.
>
> This feature would improve support for dynamic and containerized environments
> where resources may appear after startup.
>
> Thank you for considering this request.
>
>
> temporary workaround is in ListFile and GetFile replace validators
>
> .addValidator(StandardValidators.createDirectoryExistsValidator(true, false))
>
> to .addValidator(StandardValidators.NON_BLANK_VALIDATOR)
> ListFIle.java line 143:
> in public static final PropertyDescriptor DIRECTORY = new Builder()
> .name("Input Directory")
> .description("The input directory from which files to pull files")
> .required(true)
> .addValidator(StandardValidators.NON_BLANK_VALIDATOR)
> .expressionLanguageSupported(ENVIRONMENT)
> .build();
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