OK, so it is not a firewall issue. What is the HTTP response code and
size of the response for these requests?
Stephen
On 31/08/18 12:11, Tom Salyers wrote:
> There are BasicLTI POST requests with "extension" in the path that line
> up with the sync attempts I've done.
>
> --
> Tom Salyers
> VLE Developer
>
> The University of Sheffield
> Corporate Information & Computing Services (CiCS)
> 10-12 Brunswick Street
> Sheffield, S10 2FN
> Tel: 0114 222 1141
> [log in to unmask] <mailto:[log in to unmask]>
>
> On Fri, Aug 31, 2018 at 12:04 PM, Stephen P Vickers
> <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
> You need to check for the reference to the membership service
> request; there will be entries caused by launches. Either check the
> log at the time you make the data sync, or look for an entry for the
> BasicLTI building block which includes "extension" in its path.
>
> Stephen
>
> On 31/08/18 11:54, Tom Salyers wrote:
>
> Hi, Stephen.
>
> I'm seeing BasicLTI references in the access log to "webpat",
> which I can only assume are WebPA-related. (But let me know if
> I'm wrong.) Also, commenting out the curl_setopt line didn't
> seem to make a difference.
>
> --
> Tom Salyers
> VLE Developer
>
> The University of Sheffield
> Corporate Information & Computing Services (CiCS)
> 10-12 Brunswick Street
> Sheffield, S10 2FN
> Tel: 0114 222 1141
> [log in to unmask] <mailto:[log in to unmask]>
> <mailto:[log in to unmask]
> <mailto:[log in to unmask]>>
>
>
> On Fri, Aug 31, 2018 at 11:47 AM, Stephen P Vickers
> <[log in to unmask]
> <mailto:[log in to unmask]>
> <mailto:[log in to unmask]
> <mailto:[log in to unmask]>>> wrote:
>
> In addition, try removing or commenting out this line from
> lib/LTI_Tool_Provider.php:
>
> curl_setopt($ch, CURLOPT_SSLVERSION,3);
>
> Stephen
>
> On 31/08/18 11:33, Tom Salyers wrote:
>
> Hi, all.
>
> We've got a test installation of the new version of
> WebPA going
> and we're attempting to integrate it with Blackboard
> using the
> latest LTI connector version. The actual integration
> seems to be
> working fine...up until the point where we try to sync
> data,
> when we get an "Unable to access memberships list from
> source,
> please try again later" error message.
>
> I'm not sure where the actual error is coming in, but
> it looks
> like the problem is coming up in the LTI connector.
> From the web
> server error log:
>
> [Fri Aug 31 11:06:19.841037 2018] [:error] [pid 1176]
> [client
> 143.167.16.2:50423 <http://143.167.16.2:50423>
> <http://143.167.16.2:50423>
> <http://143.167.16.2:50423>] PHP Warning:
> DOMDocument::loadXML(): Empty string supplied as input in
>
> /var/www/data/webpa211/mod/lti/lib/LTI_Tool_Provider.php on line
> 2185, referer:
> https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>>
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>>>
> [Fri Aug 31 11:06:19.841230 2018] [:error] [pid 1176]
> [client
> 143.167.16.2:50423 <http://143.167.16.2:50423>
> <http://143.167.16.2:50423>
> <http://143.167.16.2:50423>] PHP Notice: Trying to get
> property
> of non-object in
>
> /var/www/data/webpa211/mod/lti/lib/LTI_Tool_Provider.php on line
> 2282, referer:
> https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>>
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/
> <https://webpad.shef.ac.uk/mod/lti/admin/manage/>>>
>
> Stephen Vickers asked if I had any firewall issues, but it
> doesn't seem to be the case--Blackboard and WebPA seem
> to be
> communicating just fine otherwise.
>
> --
> Tom Salyers
> VLE Developer
>
> The University of Sheffield
> Corporate Information & Computing Services (CiCS)
> 10-12 Brunswick Street
> Sheffield, S10 2FN
> Tel: 0114 222 1141
> [log in to unmask] <mailto:[log in to unmask]>
> <mailto:[log in to unmask]
> <mailto:[log in to unmask]>>
> <mailto:[log in to unmask]
> <mailto:[log in to unmask]>
> <mailto:[log in to unmask]
> <mailto:[log in to unmask]>>>
>
>
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