[LON-CAPA-users] course empty for one student

Ray Batchelor lon-capa-users@mail.lon-capa.org
Thu, 8 Sep 2005 10:16:28 -0700


Well.... I see lots of entries like that in lonnet.log.

I have restarted the daemons on both the access server and the library server, 
to no avail.

Seems to me that since it occurs for only one student in one course, that it 
probably has something to do with a specific permutation of one of the 
homework problems.  i.e. it is throwing up some unfriendly character, 
possibly as a result of some response of his.  I see other students who have 
completed all the same questions as the student in question, and they all are 
having no problem of this kind.

On Thursday 08 September 2005 09:51, H. K. Ng wrote:
> Something similar happens to our high/middle school students when I switch
> to 1.99.3 except seems to be related to change in ip. I restarted
> loncontrol on the servers a number of times and eventually works - maybe it
> is just fortuitous. The lonnet.log has a message
>
> Wed Aug 24 19:31:19 2005 (3611): <font color=blue>WARNING: Critical message
> to unknown server ()</font>
>
> -hk
>
> At 12:43 PM 9/8/2005, you wrote:
> >Revoking and restoring his role did not help.
> >
> >On Thursday 08 September 2005 09:38, Ray Batchelor wrote:
> > > Yep.  Well restarting the daemons did not help.
> > > Maybe, I should revoke his role and then activate it again.
> > >
> > > He can still see the course from any of the other servers.
> > > So whatever it is, is  specific to the access server sfua2.
> > > It is also specific to this one student and this one course.
> > >
> > > Never seen anything like it.
> > >
> > > On Thursday 08 September 2005 09:26, Guy Albertelli II wrote:
> > > > > I have one student who gets the message
> > > > > "The course is empty"
> > > > > when he selects one of his student roles.
> > > > >
> > > > > I happens only for this one student and only in that one course.
> > > > >
> > > > > I can see his scores in CHRT.
> > > > > He sees no scores and no content.
> > > > >
> > > > > Any ideas what might cause such a specific failure?
> > > >
> > > > Everything is marked hidden for this one user?
> > > >
> > > > There is a condition really early on that says no for this one user.
> > > >
> > > > >From what I can tell this message only occurs in NAV when no
> > > > > resources
> > > >
> > > > can be shown to the user.
> >
> >--
> >Raymond J. Batchelor, PhD
> >Department of Chemistry
> >Simon Fraser University
> >Burnaby, BC
> >Canada
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>
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-- 
Raymond J. Batchelor, PhD
Department of Chemistry
Simon Fraser University
Burnaby, BC
Canada