[jira] [Assigned] (MINIFICPP-2787) The encryption of a blank Password property in SmbConnectionControllerService causes errors on restart

["Ferenc Gerlits (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MINIFICPP-2787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ferenc Gerlits reassigned MINIFICPP-2787:
-----------------------------------------

    Assignee: Ferenc Gerlits

> The encryption of a blank Password property in SmbConnectionControllerService causes errors on restart
> ------------------------------------------------------------------------------------------------------
>
>                 Key: MINIFICPP-2787
>                 URL: https://issues.apache.org/jira/browse/MINIFICPP-2787
>             Project: Apache NiFi MiNiFi C++
>          Issue Type: Bug
>            Reporter: Ferenc Gerlits
>            Assignee: Ferenc Gerlits
>            Priority: Minor
>
> Steps to reproduce:
>  # Create a flow with an SmbConnectionControllerService, eg. ListSmb -> FetchSmb -> PutFile. Leave both the Username and Password properties blank.
>  # Start minifi; the first time everything is fine.
>  # Restart minifi; after the second startup, you will see errors like this:
> {noformat}
> [2026-04-17 18:12:32.038] [org::apache::nifi::minifi::core::controller::StandardControllerServiceNode] [warning] Service 'SmbConnectionControllerService' failed to enable: Process Schedule Operation: Either both a username and a password, or neither of them should be provided.{noformat}
>  # The controller service will not be started. Any processors which depend on the SmbConnectionControllerService will not be started, either.
> I think this is because after the first startup, both properties will be read as unset at first; then minifi will encrypt the (blank) Password property in config.yml. After the second startup, the Username property will be read as unset but the Password property will be read as set to the empty string; this causes the error here:
> {noformat}
> if (password.has_value() != username.has_value())
>   throw Exception(PROCESS_SCHEDULE_EXCEPTION,  "Either both a username and a password, or neither of them should be provided.");{noformat}
>  
> Workaround: if no username/password is required, set them both to some arbitrary value instead of leaving them blank.



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