Services Quiz cannot be Graded

[aw3645]

Hello,

I can’t seem to have my services quiz graded. I’ve uploaded it twice and both times the grading window just freezes for more than 20 minutes so I would have to refresh the window. Could you please provide me a link to the solution please? Thank you!

[bayodesegun]

Hi @aw3645,

Sorry about the trouble!

Could you please share a screenshot so we can confirm where the grader is getting stuck? Combined with logs on our end, we will be able to make a better diagnosis. Thanks in advance.

[bayodesegun]

Hi @aw3645,

We finally found the solution to the problem. I’m sorry that it took so long. Here it is:

Service quiz-review service quiz takes a long time

Hi @donoso.bravo.7, according to our investigation, the quiz correction gets stuck when instead of launching only the service client on call_bb8_move_in_square_custom_service_server.launch , the server is also launched. Bear in mind that we use a specific launch file to launch the service server, and a specific launch file to launch the service client. The correct way is: start_bb8_move_custom_service_server.launch has to launch only the service server call_bb8_move_in_square_custom_service_…