[LON-CAPA-admin] course is empty

Thu Dec 2 18:17:29 EST 2010

	Was this fixed as part of 2.9.1, or should we still be on the look out for it.  I can't seem to find this in bugzilla, but perhaps I just don't know the correct terms to search for.

-Jim

On Jul 30, 2010, at 2:26 PM, Gerd Kortemeyer wrote:

> 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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> 
> 
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