[Building Sakai] help with SAK-17261 "disappear student problem with Sakai and LDAP integration"

[David Horwitz]

  Hi Zhen,

I wonder if this could be related to an issue we discussed last year, 
namley case sensitivity in the group provider. In this case the 
appearance and disappearance would be related to who made the call. The 
behavior would also be different across different database types.

D

On 01/26/2011 10:06 PM, Zhen Qian wrote:
> Hi, all:
>
> SAK-17261 (Students disappear from class roster) has been reported as a
> problem since 2.6.  It was marked as Blocker and was down-graded to
> "critical" recently.
>
> A bit of description here:
> "We are using Course Management module to automatically enroll students
> into the appropriate courses. Our home-grown software populates cm_* tables
> in Sakai database with appropriate records. This system worked fine until
> upgrade to version 2.6.0. For *some* courses *some* students repeatedly
> disappear from class roster. The students re-appear after "Site info" page
> is visited, but disappear again in a few minutes after that. All data
> entered into the gradebook for these students disappear quickly."
>
> This might be a problem with JLDAPDirectoryProvider only. Since I don't
> have a working instance of LDAP server, it is hard for me to debug this.
> So it would be greatly appreciated if some other Sakai universities using
> LDAP servers would help with the problem.
>
> Thanks!
>
> - Zhen
>
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