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RE: [grouper-dev] Occasionally Truncated Membership

Chronological Thread 
  • From: Chris Hyzer <>
  • To: Colin Hudler <>, "" <>
  • Subject: RE: [grouper-dev] Occasionally Truncated Membership
  • Date: Sat, 26 Sep 2009 16:17:51 -0400
  • Accept-language: en-US
  • Acceptlanguage: en-US

Just curious, any updates on this issue?


> -----Original Message-----
> From: Colin Hudler
> [mailto:]
> Sent: Friday, September 11, 2009 12:38 PM
> To:
> Subject: [grouper-dev] Occasionally Truncated Membership
> Greetings,
> We have an hourly process that reads select groups and memberships from
> the grouper API and syncronizes them to various places (LDAP, SQL, ).
> This process has been running for over a year, and evolves over time,
> as
> does our groups registry.
> A few months ago, for no apparent reason, the provisioner destroyed a
> large number of members to a large group. About 40k out of 50k members
> were deleted in the provisioning target. The groups registry appeared
> intact from the web UI. Subsequent runs of the job corrected it
> automatically by adding the members back. It happened again in the
> same
> week, and we still did not have sufficient logs to pinpoint the
> problem.
> It has not reoccurred, and I have been trying to duplicate it ever
> since.
> Yesterday the problem finally repeated, and I found that the API
> returned a truncated membership from getMembers (it returned about 10k
> members instead of 50k). Subsiquent calls to getMembers behaved
> correctly. Grouper did not log any errors, or anything unusual. I am
> also unable to determine what caused it. I don't have a decent theory,
> only hypothesis.
> I realize that no problem of this kind has ever been reported. I
> believe it is tied to this specific group (and one other). I can
> provide more information if anyone is interested.

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