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[grouper-users] Composite group problems


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  • From: Dave Churchley <>
  • To: "" <>
  • Subject: [grouper-users] Composite group problems
  • Date: Thu, 19 Oct 2017 15:56:12 +0000
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Good afternoon

We've been using composite groups for a few years now, mainly using the
complement operation with exclusion groups. Since the summer, we've also had
a few intersection groups.

We've not noticed any problems with group memberships until a couple of weeks
ago. (That's not to say there definitely weren't any issues, but there
certainly was not a noticeable impact.) At first it was just with the
intersection groups but today we've seen it with a complement group, too.

It looks like the composite isn't calculating its membership correctly.
Editing the composite and resaving it forces it to recalculate the
membership. We've been using this as a workaround but it's obviously not
ideal. Some of these composite groups are critical to access control for
various systems across the University, including physical access into
buildings.

Is this a known issue? Is there anything we can do about it? We're running
Grouper v2.2.2. Is there a patch or a better workaround?

Any help would be greatly appreciated as this is a big issue for us at the
moment.

Thanks in advance.

Dave Churchley
Newcastle University



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