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

[Beth Kirschner]

It seems that the problem is related to whether or not the user/student ever logged into Sakai. Has anyone else seen this problem with Rosters?

- Beth

On Jan 26, 2011, at 3:11 PM, David Horwitz wrote:

>  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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