[LON-CAPA-admin] course is empty

Gerd Kortemeyer korte at lite.msu.edu
Fri Jul 30 14:26:57 EDT 2010


Hi,

Actually, that's not a 2.9-specific error.

We thought it was fixed (or at least caught), but apparently not. It is a corrupted cached course environment on that server. I guess we should just throw away those environments when we are done with them.

- Gerd.


On Jul 30, 2010, at 1:41 PM, Bob Gonzales wrote:

> Since the upgrade to 2.9 and Centos 5.5 I've had a several students log in,
> click on their course and get a message stating the course is empty in place
> of the normal list of resources.  Logging out and back in doesn't fix the
> problem.  Logging into another access server does work correctly.   Logging
> into the server that the problem occurred on at a later time produces the
> normal page of resources.
> 
> I looked in the logs and found the following from around the same time that
> the student was getting the empty page.  I don't know if it is related or
> not.  I included some other login info for the user before and after the
> problem time, 13:50. 
> 
> lonnet.log.1:Thu Jul 29 08:41:17 2010 (21502): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 11:21:24 2010 (21502): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 13:50:54 2010 (21504): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 13:51:10 2010 (21506): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 13:52:12 2010 (21507):
> binghamton:oarowol1:binghamtonl1:Denied by role: plc for
> binghamton_282095851d1174c68binghamtonl1/51 as st in
> binghamton_282095851d1174c68binghamtonl1
> lonnet.log.1:Thu Jul 29 13:52:41 2010 (21509): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 13:52:45 2010 (22599): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 13:52:57 2010 (21506): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 13:53:34 2010 (22599): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 13:53:48 2010 (21507):
> binghamton:oarowol1:binghamtonl1:Denied by role: plc for
> binghamton_282095851d1174c68binghamtonl1/51 as st in
> binghamton_282095851d1174c68binghamtonl1
> lonnet.log.1:Thu Jul 29 13:53:52 2010 (21506): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 13:54:07 2010 (21504):
> binghamton:oarowol1:binghamtonl1:Denied by role: plc for
> binghamton_282095851d1174c68binghamtonl1/51 as st in
> binghamton_282095851d1174c68binghamtonl1
> lonnet.log.1:Thu Jul 29 13:56:11 2010 (22599): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 13:56:14 2010 (21504): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 13:56:47 2010 (21503): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 13:57:06 2010 (21504):
> binghamton:oarowol1:binghamtonl1:Denied by role: plc for
> binghamton_282095851d1174c68binghamtonl1/51 as st in
> binghamton_282095851d1174c68binghamtonl1
> lonnet.log.1:Thu Jul 29 13:57:46 2010 (21503):
> binghamton:oarowol1:binghamtonl1:Denied by role: plc for
> binghamton_282095851d1174c68binghamtonl1/51 as st in
> binghamton_282095851d1174c68binghamtonl1
> lonnet.log.1:Thu Jul 29 14:02:30 2010 (21509): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 14:02:34 2010 (21503): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 14:06:40 2010 (22599): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 14:06:43 2010 (21504): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 17:55:46 2010 (21505): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 17:55:48 2010 (21506): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log.1:Thu Jul 29 17:56:13 2010 (21508): User oarowol1 at binghamton
> authorized by binghamtonl1
> lonnet.log.1:Thu Jul 29 17:56:23 2010 (21505): <font color="blue">WARNING:
> Could not tie coursemap
> /home/httpd/perl/tmp/oarowol1_binghamton_282095851d1174c68binghamtonl1 for
> /uploaded/binghamton/282095851d1174c68binghamtonl1/default.sequence.</font>
> lonnet.log:Fri Jul 30 08:33:50 2010 (26998): User oarowol1 at binghamton
> rejected by binghamtonl1
> lonnet.log:Fri Jul 30 08:34:15 2010 (26993): User oarowol1 at binghamton
> authorized by binghamtonl1
> 
> Around the 13:50 time, we have about 28 students trying to log in.  They
> aren't all logging in at exactly the same time but within about 5-10 minutes
> of each other.  
> 
> The machine is an access server and is a quad-core intel machine with 8GB of
> memory.  It was upgraded to LONCAPA 2.9 and Centos 5.5 about a month ago.
> 
> Any thoughts on why the 'course is empty' situation?
> 
> Thanks,
> 
> Bob Gonzales
> Binghamton University
> Chemistry Dept
> 4400 Vestal Parkway East
> Binghamton, NY  13902
> (607)777-2698
> rgonzal at binghamton.edu
> 
> 
> 
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