[jira] [Assigned] (MINIFICPP-1697) Give a better error message on unsupported algorithms in HashContent

["Martin Zink (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MINIFICPP-1697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Zink reassigned MINIFICPP-1697:
--------------------------------------

    Assignee: Martin Zink

> Give a better error message on unsupported algorithms in HashContent
> --------------------------------------------------------------------
>
>                 Key: MINIFICPP-1697
>                 URL: https://issues.apache.org/jira/browse/MINIFICPP-1697
>             Project: Apache NiFi MiNiFi C++
>          Issue Type: Improvement
>            Reporter: Ferenc Gerlits
>            Assignee: Martin Zink
>            Priority: Minor
>              Labels: MiNiFi-CPP-Hygiene
>
> If you specify an unsupported hash algorithm in the {{Hash Algorithm}} property of the {{HashContent}} processor, it will fail with an error like this in {{onTrigger}}:
> {noformat}
> [2021-12-07 10:48:56.508] [org::apache::nifi::minifi::core::Processor] [warning] Caught "map::at" (St12out_of_range) during Processor::onTrigger of processor: 345ddcb9-a73b-4d4e-8c3d-66ed162d60fc (HashContent)
> [2021-12-07 10:48:56.508] [org::apache::nifi::minifi::core::ProcessSession] [info] Penalizing c1565920-5742-11ec-bc73-5c879c2c3c60 for 30000ms at HashContent
> [2021-12-07 10:48:56.508] [org::apache::nifi::minifi::core::ProcessSession] [warning] ProcessSession rollback for HashContent executed
> {noformat}
> It would be better to check the value in {{onSchedule}}, and if it is not supported, then log a better error message like "algorithm X is not supported; supported algorithms are: ..." and throw an exception, ie. fail to schedule the processor.



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