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https://issues.apache.org/jira/browse/NIFI-4707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16308604#comment-16308604
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ASF subversion and git services commented on NIFI-4707:
-------------------------------------------------------

Commit 84cecfbeea82e81faef77c5b9de76f54bd965316 in nifi's branch 
refs/heads/master from [~ijokarumawak]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=84cecfb ]

NIFI-4707: Fixed ProcessGroup tree

- Removed duplicated creation of a ParentProcessGroupSearchNode for the
root ProcessGroup.
- Removed duplicated creation of a ParentProcessGroupSearchNode for each
component inside a ProcessGroup.
- Fixed ProcessGroup id hierarchy.
- Fixed filtering logic.
- Added unit tests for filtering by ProcessGroupId and Remote
Input/Output ports.

Signed-off-by: Matthew Burgess <[email protected]>

This closes #2351


> SiteToSiteProvenanceReportingTask not returning correct metadata
> ----------------------------------------------------------------
>
>                 Key: NIFI-4707
>                 URL: https://issues.apache.org/jira/browse/NIFI-4707
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>            Reporter: Matt Burgess
>            Assignee: Matt Burgess
>             Fix For: 1.5.0
>
>
> When the SiteToSiteProvenanceReportingTask emits flow files, some of them 
> include a "componentName" field and some do not. Investigation shows that 
> only the components (except connections) in the root process group have that 
> field populated. Having this information can be very helpful to the user, 
> even though the names might be duplicated, there would be a mapping between a 
> component's ID and its name. At the very least the behavior (i.e. component 
> name being available) should be consistent.
> Having a full map (by traversing the entire flow) also opens up the ability 
> to include Process Group information for the various components. The 
> reporting task could include the parent Process Group identifier and/or name, 
> with perhaps a special ID for the root PG's "parent", such as "@ROOT@" or 
> something unique.
> This could also allow for a PG ID in the list of filtered "component IDs", 
> where any provenance event for a processor in a particular PG could be 
> included in a filter when that PG's ID is in the filter list.



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