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https://issues.apache.org/jira/browse/NIFI-6879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcio Sugar updated NIFI-6879:
-------------------------------
Environment:
Host OS: Ubuntu 16.04
Docker version 19.03.4, build 9013bf583a
Docker Image: apache/nifi 1.10.0 4310dad3312f
was:Ubuntu 16.04
> Variable Updater Error when trying to change variable used inside a Process
> Group
> ---------------------------------------------------------------------------------
>
> Key: NIFI-6879
> URL: https://issues.apache.org/jira/browse/NIFI-6879
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.10.0
> Environment: Host OS: Ubuntu 16.04
> Docker version 19.03.4, build 9013bf583a
> Docker Image: apache/nifi 1.10.0 4310dad3312f
> Reporter: Marcio Sugar
> Priority: Major
>
> This works fine in NiFi 1.7.1 but fails in NiFi 1.10.1.
> Whenever I try to change the value of a variable that's defined outside a
> Process Group where it's used, NiFi fails during the Applying Updates with
> the following message (image also attached):
> {noformat}
> Variable Update Error
> Unable to complete variable update request: Failed to update Variable
> Registry because failed while performing step: Applying updates to Variable
> Registry.{noformat}
> To reproduce the problem:
> # On the top-level canvas, create a variable named "myvar", and set it to
> "{{blah}}".
> # Create a Process Group named "mypg". Enter the group.
> # Inside "mypg", add a GenerateFlowFile and set its "Run Schedule" to "1
> day" to get just one flow file when it's started.
> # Still inside "mypg", add a LogMessage. Set its "Log prefix" to "{{MYLOG:}}
> " and its "Log message" to "{{My message is: '${myvar}'.}}"
> # Start both processors and see a message like this appeared in the
> application's log: {{MYLOG: My message is: 'blah'.}}
> # Now leave the "mypg" Process Group and go back to the top-level canvas.
> Try to set the "myvar" variable to a different value, like "{{blah-blah}}".
> NiFi starts the steps to make the change, but fails during the "Applying
> Updates" step with the above error message.
> Images and log file attached.
>
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