[jira] [Commented] (NIFI-12992) Processor referencing controller service shown as invalid after switching to stateless execution engine

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

    [ https://issues.apache.org/jira/browse/NIFI-12992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17884789#comment-17884789 ] 

ASF subversion and git services commented on NIFI-12992:
--------------------------------------------------------

Commit e9ce40d2091e5a5d98c37dcf752cb56a072339ba in nifi's branch refs/heads/main from Mark Payne
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=e9ce40d209 ]

NIFI-12992 Reset Validation State when Updating Process Group Execution Engine (#9187)

- Do not reset validation status for a component if it is not in a state where validation will be performed

Signed-off-by: David Handermann <ex...@apache.org>

> Processor referencing controller service shown as invalid after switching to stateless execution engine
> -------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-12992
>                 URL: https://issues.apache.org/jira/browse/NIFI-12992
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: NiFi Stateless
>    Affects Versions: 2.0.0-M2
>            Reporter: Gabriel Orstadius-Bui
>            Assignee: Mark Payne
>            Priority: Minor
>             Fix For: 2.0.0-M5
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> How to reproduce:
>  # A processor and a controller service referenced by the processor are both within a process group using the standard execution engine. The controller service is disabled and the processor is therefore displayed as invalid in the diagram.
>  # Switch the process group's execution engine to Stateless.
>  # The processor is incorrectly still displayed as invalid in the diagram.
>  # Quickly opening the processor's configurations will still display the processor as invalid within the pop-up dialog.
>  # Waiting for a few seconds and then (re-)opening the processor's configurations will then correctly show the processor as valid (just stopped). Going back to the diagram will then also display the processor as valid.
>  # (Switching back to standard will conversely incorrectly display the processor as valid until waiting for a few seconds and opening its configurations)
> In other words, it seems as if there is a long window of time after switching execution engine in which NiFi does not take the new execution engine into consideration when validating processors.
> Ideally, the validation should correctly validate the processors right after switching the execution engine and display them as valid/invalid accordingly in the diagram.



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