Github user JPercivall commented on the issue:
https://github.com/apache/nifi/pull/698
Relating to NIFI-2265. I have a process group that I do not have view
permissions on. I have processors in that group that inherit the policy from
the group. When I view the flow on the canvas or by clicking "stats" I properly
don't the name but when I view "summary" (from the top menu) I see the names.
Tracking it down in the developer tools, it looks like it comes from the
ProcessGroupStatusSnapshots (I don't have view access to that group either).
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