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If those are the fields immediately following the path in the log, then it
looks like both requests got a 200 response, and the sizes are 3402 and
739.

--
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]

On Fri, Aug 31, 2018 at 12:14 PM, Stephen P Vickers <
[log in to unmask]> wrote:

> 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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