Thanks Stephen, I checked the clocks and they are in sync.
Kind regards,
Tim
-----Original Message-----
From: WebPA [mailto:[log in to unmask]] On Behalf Of Stephen P Vickers
Sent: 11 April 2014 10:42
To: [log in to unmask]
Subject: Re: WebPA blackboard integration
Have you checked that the system times are correct on each server? They need to be within 5 minutes of each other.
Stephen
On 11/04/2014 10:37, Tim Galling wrote:
> Hi all,
>
> I'm trying to setup the integration for webPA v2.0.0.10 (LTI connector
> installed) with Blackboard version is 9.1.120113.0 using the Oscelot
> Basic LTI Tools (3.0.1) building block but am running into a problem.
>
> Following the instructions at
> http://www.celtic-project.org/Project_blog/2012/08/LTI_and_Learn_9/WebPA-Learn9.pdf
> I have set up WebPA as a Course tool in Blackboard but when
> clicking on the tool from a course (instructor or student) I get the following error:
>
> *Debug error: OAuth signature check failed - perhaps an incorrect
> secret or timestamp.*
>
> I've checked the secret and it definitely matches. Looking at webPA
> LTI admin page it is registering the access.
>
> Any help would be much appreciated.
>
> Many thanks,
>
> Tim
>
> *Tim Galling*
>
> *Learning Technologist*
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