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I'll change to "custom_debug" and try again. Many thanks -----Original Message----- From: WebPA [mailto:[log in to unmask]] On Behalf Of Stephen P Vickers Sent: 10 August 2015 15:38 To: [log in to unmask] Subject: Re: Trial LTI Perhaps we should take this offline, but the tool consumer from which you are launching WebPA does not appear to be properly handling custom parameters. The actual parameter which should be passed in the launch message should have a prefix of "custom_", so the message parameter should be "custom_debug=true". Your tool consumer seems to be passing a parameter of "debug=true" which is an invalid LTI launch message. Stephen On 10/08/2015 12:54, Osborne, Brian wrote: > Hi Stephen, > > It is seemingly ignoring the debug = true (or debug = yes) parameter. I get the same output irrespective of whether I include "debug" or what value it is given. > > This is my POST BODY: > tool_consumer_info_product_family_code=StudyNet<i_version=LTI-1p0&de > bug=true&roles=Instructor&tool_consumer_instance_name=StudyNet&tool_co > nsumer_instance_description=University%20of%20Hertfordshire%20%28Study > Net%29&launch_presentation_width=320&tool_consumer_instance_guid=study > net.herts.ac.uk&ext_basiclti_submit=Press%20to%20continue%20to%20exter > nal%20tool&launch_presentation_locale=en-GB&tool_consumer_instance_con > tact_email=ltdu%40herts.ac.uk&lis_result_sourcedid=StudyNet<i_messag > e_type=basic-lti-launch-request&tool_consumer_info_version=2015&launch > _presentation_height=240&launch_presentation_document_target=iframe > > HEADER X-Authorization: > oauth_nonce => "KlfPb6NaA9NDbVeCM8q0sJObRM2rXOzA" > oauth_signature => "447275703833656532706f4e636249544662356774673d3d" > oauth_consumer_key => "DVMQPCE2-SDYX-TRZN-8MEF-BCTWQPR5ZSQS" > oauth_signature_method => "HMAC-SHA1" > oauth_version => "1.0" > oauth_timestamp => "1439201367" > > Encoded Signature Params: > POST&http%3A%2F%2Feval.ltiapps.net%2Fwebpa%2Fmod%2Flti%2F&debug%3Dtrue > %26ext_basiclti_submit%3DPress%2520to%2520continue%2520to%2520external > %2520tool%26launch_presentation_document_target%3Diframe%26launch_pres > entation_height%3D240%26launch_presentation_locale%3Den-GB%26launch_pr > esentation_width%3D320%26lis_result_sourcedid%3DStudyNet%26lti_message > _type%3Dbasic-lti-launch-request%26lti_version%3DLTI-1p0%26oauth_consu > mer_key%3DDVMQPCE2-SDYX-TRZN-8MEF-BCTWQPR5ZSQS%26oauth_nonce%3DKlfPb6N > aA9NDbVeCM8q0sJObRM2rXOzA%26oauth_signature_method%3DHMAC-SHA1%26oauth > _timestamp%3D1439201367%26oauth_version%3D1.0%26roles%3DInstructor%26t > ool_consumer_info_product_family_code%3DStudyNet%26tool_consumer_info_ > version%3D2015%26tool_consumer_instance_contact_email%3Dltdu%2540herts > .ac.uk%26tool_consumer_instance_description%3DUniversity%2520of%2520He > rtfordshire%2520%2528StudyNet%2529%26tool_consumer_instance_guid%3Dstu > dynet.herts.ac.uk%26tool_consumer_instance_name%3DStudyNet > > Thanks, > Brian > > -----Original Message----- > From: WebPA [mailto:[log in to unmask]] On Behalf Of Stephen P > Vickers > Sent: 10 August 2015 10:46 > To: [log in to unmask] > Subject: Re: Trial LTI > > Try using a value of "true" - it does not work the same when using "yes". > > For direct support either try using the forum in OSCELOT where the LTI > connector for WebPA is made available (see > http://www.spvsoftwareproducts.com/php/webpa-lti/) or contact me directly and I will try to help. > > Stephen > > On 10/08/2015 10:38, Osborne, Brian wrote: >> Hi Stephen, >> >> I have added a parameter of "debug" with a value of "yes" and I'm still getting a response of "Error: Sorry, there was an error connecting you to the application.". >> >> Is there a support email address for the ceLTIc project? >> >> Thanks, >> Brian >> >> -----Original Message----- >> From: WebPA [mailto:[log in to unmask]] On Behalf Of Stephen P >> Vickers >> Sent: 10 August 2015 10:22 >> To: [log in to unmask] >> Subject: Re: Trial LTI >> >> This trial service is offered by the ceLTIc project, not by the WebPA project. >> >> If you send a custom parameter named "debug" with a value of "true" you should see a more informative error message. Alternatively, if your tool consumer supports the error log option, this error message should also be found in its log files. >> >> Stephen >> >> On 10/08/2015 08:45, Osborne, Brian wrote: >>> I have signed up for your 14 day trial and I am posting to your >>> service, but I always receive a response back that reads “Error: >>> Sorry, there was an error connecting you to the application.”. >>> >>> My POST data is: >>> >>> *Calling:*http://eval.ltiapps.net/webpa/mod/lti/ (or >>> http://eval.ltiapps.net/webpa/mod/lti/index.php) >>> >>> >>> *Shared secret:* "E38uVDmEgBbPs0crd7w4ZGqFwYBlrR3v" >>> >>> *Encoded Signature Params:* " >>> POST&http%3A%2F%2Feval.ltiapps.net%2Fwebpa%2Fmod%2Flti%2F&ext_basiclti_submit%3DPress%2520to%2520continue%2520to%2520external%2520tool%26launch_presentation_document_target%3Diframe%26launch_presentation_height%3D240%26launch_presentation_locale%3Den-GB%26launch_presentation_width%3D320%26lis_result_sourcedid%3DStudyNet%26lti_message_type%3Dbasic-lti-launch-request%26lti_version%3DLTI-1p0%26oauth_consumer_key%3DDVMQPCE2-SDYX-TRZN-8MEF-BCTWQPR5ZSQS%26oauth_nonce%3DJ98SFfiYs11Lk47ue2QnplNpFKqE0ht0%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1438956933%26oauth_version%3D1.0%26roles%3DInstructor%26tool_consumer_info_product_family_code%3DStudyNet%26tool_consumer_info_version%3D2015%26tool_consumer_instance_contact_email%3Dltdu%2540herts.ac.uk%26tool_consumer_instance_description%3DUniversity%2520of%2520Hertfordshire%2520%2528StudyNet%2529%26tool_consumer_instance_guid%3Dstudynet.herts.ac.uk%26tool_consumer_instance_name%3DStudyNet" >>> >>> *HEADER X-Authorization* >>> OAuth realm => "http://eval.ltiapps.net/webpa/mod/lti/" >>> oauth_nonce => "J98SFfiYs11Lk47ue2QnplNpFKqE0ht0" >>> oauth_signature => "6778472f726b646651454776674267715539397966413d3d" >>> oauth_consumer_key => "DVMQPCE2-SDYX-TRZN-8MEF-BCTWQPR5ZSQS" >>> oauth_signature_method => "HMAC-SHA1" >>> oauth_version => "1.0" >>> oauth_timestamp => "1438956933" >>> >>> *POST BODY* >>> tool_consumer_info_product_family_code=StudyNet<i_version=LTI-1p0& >>> r >>> o >>> les=Instructor&tool_consumer_instance_name=StudyNet&tool_consumer_in >>> s >>> t >>> ance_description=University%20of%20Hertfordshire%20%28StudyNet%29&la >>> u >>> n >>> ch_presentation_width=320&tool_consumer_instance_guid=studynet.herts. >>> a >>> c.uk&ext_basiclti_submit=Press%20to%20continue%20to%20external%20too >>> l >>> & >>> launch_presentation_locale=en-GB&tool_consumer_instance_contact_emai >>> l >>> = >>> ltdu%40herts.ac.uk&lis_result_sourcedid=StudyNet<i_message_type=ba >>> s >>> i >>> c-lti-launch-request&tool_consumer_info_version=2015&launch_presenta >>> t i on_height=240&launch_presentation_document_target=iframe >>> >>> Any idea what is wrong, or is it possible to change the response >>> message to indicate the issue rather than just say there has been an error? >>> >>> Thanks, >>> >>> Brian Osborne >>> >>> University of Hertfordshire >>>