Grouper Developers Forum

[Colin Hudler <>]

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.