Blackboard grade reporting problem

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Tom Salyers

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Sep 13, 2021, 6:05:59 AMSep 13
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Hi, all.

We've got an issue where grades aren't being reported back to Blackboard, even though the system says they are.

The grades definitely exist in Numbas--they've got valid receipt codes and everything--but they're not being automatically reported back to Blackboard even though they're set up to. Trying to push them manually from Numbas *seems* to work in that we don't get any error messages, but the grades never show up.

I've had a similar problem before that turned out to be an overzealous security header setting that was keeping Numbas from reading its own cookies. This time, though, I've had a look in the browser console, and everything seems to be working normally. Trying to report grades manually has the system do a GET to https://numbas.shef.ac.uk/resource/11/report_scores, which returns a 200 OK as normal...but the grades don't get to Blackboard. 

We haven't updated our Numbas installation in a while, and the only thing I can think of that's changed is that our Blackboard system has been upgraded to 3900.21.0 recently. Does anyone know if there's any kind of issue with that release? 

--
Tom Salyers, MBCS
Senior Education Developer/System Administrator

The University of Sheffield
IT Services
10-12 Brunswick Street
Sheffield, S10 2FN
Tel:  0114 222 1141

Christian Lawson-Perfect

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Sep 13, 2021, 6:07:43 AMSep 13
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Hi Tom,
Which version of the LTI provider are you running? In v2.12 there was an error that meant it lost the identifying information used when reporting scores back for a student.

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Tom Salyers

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Sep 13, 2021, 6:30:53 AMSep 13
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Hi, Christian. 

I can't seem to find the version number, but some grepping turns up a tag for 2.12 in the git directory, and the files are all dated to late May, so it looks like we've got that version. I'll try updating to 2.13.  

William Haynes

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Sep 13, 2021, 6:50:43 AMSep 13
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Yes, is there a way to determine which version of the LTI provider is in use through the user interface?  

Will


Sent from my iPad

On Sep 13, 2021, at 6:30 AM, Tom Salyers <t.sa...@sheffield.ac.uk> wrote:

Hi, Christian. 

Christian Lawson-Perfect

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Sep 13, 2021, 7:33:33 AMSep 13
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There isn't, and I've been meaning to add one.

Tom Salyers

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Sep 13, 2021, 10:33:02 AMSep 13
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Hi, Christian. 

I've now upgraded to version 2.13 on our staging system, but our tester complained about getting a 500 error. Looking in /var/log/supervisor/numbas_lti_workers_stdout.log, we were getting a lot of "django.template.exceptions.TemplateSyntaxError: 'statici18n' is not a registered tag library" errors. 

I checked the documentation for django-static18n (https://django-statici18n.readthedocs.io/en/v2.0.1/) and managed to add the right settings to INSTALLED_APPS and TEMPLATES, and that seems to have fixed it. I mainly wanted to leave this here in case anyone else runs into something similar. 

Christian Lawson-Perfect

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Sep 13, 2021, 10:36:35 AMSep 13
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Tom Salyers

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Sep 13, 2021, 10:39:24 AMSep 13
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I followed the 2.13 part because we were coming from 2.12, but I'm now thinking the code on our staging system might have been slightly older than that. 

In my defense, I've just come back from two weeks off and I'm not entirely sure my brain is fully back in gear. :/ 

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Tom Salyers, MBCS
Senior Education Developer/System Administrator

The University of Sheffield
IT Services
10-12 Brunswick Street
Sheffield, S10 2FN
Tel:  0114 222 1141

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