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From "Bryan Bende (Jira)" <>
Subject [jira] [Resolved] (NIFI-6314) Nested versioned process groups do not update properly
Date Wed, 02 Oct 2019 13:49:00 GMT


Bryan Bende resolved NIFI-6314.
    Fix Version/s: 1.10.0
       Resolution: Fixed

> Nested versioned process groups do not update properly
> ------------------------------------------------------
>                 Key: NIFI-6314
>                 URL:
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.9.0, 1.9.1, 1.9.2
>            Reporter: Bryan Bende
>            Assignee: Bryan Bende
>            Priority: Major
>              Labels: SDLC
>             Fix For: 1.10.0
> Steps to reproduce:
>  # NiFi#1 Create PGA
>  # NiFI#1 Create PGB inside PGA
>  # NiFI#1 Create some processors inside PGB
>  # NIFI#1 Start version control PGB
>  # NIFI#1 Start version control PGA
>  # NIFI#2 Import a new PG and select PGA v1 (at this point the same exact flow is now
in both NiFi's)
>  # NIFI#1 Go into PGB and modify the properties of some processors
>  # NIFI#1 Commit changes on PGB
>  # NIFI#1 Commit changes on PGA
>  # NIFI#2 Change version on PGA from v1 to v2 (caused PGB to be updated to v2 since PGA
v2 points to PGB v2)
> At this point PGB in NIFI#2 thinks it has been updated to v2 according to the version
info in flow.xml.gz, but it the actual changes from v2 have not been applied, and it shows
local changes that looks like they undid what should be the real changes. Choosing to revert
the local changes will actually get back to the real v2 state.
> You can also reproduce this using a single NiFi and having two instances of the same
versioned process group described above, or by having a single instance of the versioned process
group and changing the outer PGA back and forth between v2 and v1.

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