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https://issues.apache.org/jira/browse/NIFI-4956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph Percivall resolved NIFI-4956.
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Resolution: Duplicate
> Cannot import or upgrade versioned flow that includes a CRON_DRIVEN
> scheduling strategy
> ---------------------------------------------------------------------------------------
>
> Key: NIFI-4956
> URL: https://issues.apache.org/jira/browse/NIFI-4956
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.5.0
> Reporter: Joseph Percivall
> Priority: Major
>
> To reproduce:
> * Create a PG with a process in it with a CRON driven scheduling strategy
> * Start version control of the PG
> * Attempt create a new PG by "import"ing the versioned flow from above
> * Notice that an Error occurs that says "Value '* * * * * ?' is not a valid
> Time Duration and the processor exists but has Timer driven scheduling.
> * Also, notice that the PG is partially created (if there are other
> components they may be created) but is not versioned
> This also occurs when upgrading a flow but with a slightly different error
> message
> "Failed to update flow to new version due to
> java.lang.IllegalArgumentException: Value '* * * * *?' is not a valid Time
> Duration"
>
> I checked the flow_storage of the registry instance and it does have
> CRON_DRIVEN for the scheduling strategy.
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