HW4 Submission Failing

[tansaku]

@rosewcs345 reported a student's submission failing with the message "unable to deliver your submission":

Rose added:

Unpacked their submission, removed extraneous files, re-zipped and uploaded. Still won't even accept. Last night it was being graded, but all the rspec tests were ignored. Now it gives the same error msg I showed you earlier (Unable to deliver your submission to grader (Reason: cannot connect to server). Please try again later.) , but when I submit a different student's submission, it is accepted and graded.

I noticed that they are using newer rspec syntax. Can the autograder handle it? (although it doesn't seem likely that it would produce the above error)

[tansaku]

@rosewcs345 - new rspec should be fine - something about the size of the submission?

[zhangaaron]

Some students have been reporting this error, I don't think this problem is on our end but edX's. I think Sam makes a good point here edX may refuse file sizes too large. XQueue uses S3 to upload attachments and that might fail if the attachment is too large. See here: openedx/xqueue#96

[zhangaaron]

It is also possible that some part of XQueue service went down, that's actually most likely explanation I think.