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>] 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/>
> [Fri Aug 31 11:06:19.841230 2018] [:error] [pid 1176] [client
> 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/>
>
> 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]>
>
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