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https://issues.apache.org/jira/browse/NIFI-2854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15573188#comment-15573188
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Joseph Witt commented on NIFI-2854:
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[~markap14] updating the subject and details to reflect our conversation.
Please advise if this doesn't capture all of the commentary or purpose of this
JIRA.
> Allow Provenance Repository to roll back to a previous implementation
> ---------------------------------------------------------------------
>
> Key: NIFI-2854
> URL: https://issues.apache.org/jira/browse/NIFI-2854
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.2.0
>
>
> Currently, if we start up a new version of NiFi and the format of the Data
> Provenance data has changed, we are not able to roll back to a previous
> version of NiFi. If we do, NiFi will fail to read the Provenance Data and not
> start up. We should instead provide the ability to write data to the
> repository in such a way that old versions of the repository will still be
> able to read the data, so that we can roll back
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