This sounds like the MathJax CDN deprecation issue. Check the browser's JavaScript console for MathJax/JS errors - if you see some, then that is the reason. There is more information in the thread at https://groups.google.com/forum/#!topic/openedx-ops/iuQyfuBE_o0 and the related links. Upgrading to Ficus.3+ is the best fix, but you can also work around it as described therein.
-- Braden @OpenCraft <http://opencraft.com/> On Fri, Jul 14, 2017 at 3:42 PM, Robert Raposa <[email protected]> wrote: > I'm not sure how helpful this will be to you both, but a lot was changed > and *potentially* fixed in this area in Ficus. > > On Mon, Jul 10, 2017 at 7:05 AM, Deepak Bartwal < > [email protected]> wrote: > >> I am facing same issue. Did you find the solution ? if yes then please >> share. >> >> On Saturday, 1 July 2017 00:22:39 UTC+5:30, Julia Mullen wrote: >>> >>> sorry - quick correction - this error is happening on a Eucalyptus >>> instance. >>> >>> On Friday, June 30, 2017 at 2:50:55 PM UTC-4, Julia Mullen wrote: >>>> >>>> Hi, >>>> >>>> We have an odd, intermittent error that crops up. Students are trying >>>> to submit their answers to one of the problems in a given course. For some >>>> reason some of these students can't submit the answer. Unfortunately, they >>>> don't get an error message - it is more that nothing happens - they hit >>>> submit and it appears to take the value but nothing happens. From what we >>>> see they have not exceeded the limit of submissions, we aren't seeing >>>> anything obvious in the logs, it only happens to some students, I can't >>>> reproduce it on my test student account. >>>> >>>> Some information - we are running Dogwood without any modifications >>>> beyond enabling microsites. >>>> >>>> Has anyone else seen this behavior? >>>> >>>> Thanks for any help or insight you can offer. >>>> >>>> Julie >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "General Open edX discussion" group. >> To view this discussion on the web visit https://groups.google.com/d/ms >> gid/edx-code/f4217b21-ff21-4522-9ee8-4a164cd9e43a%40googlegroups.com >> <https://groups.google.com/d/msgid/edx-code/f4217b21-ff21-4522-9ee8-4a164cd9e43a%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > > -- > > *Robert Raposa* > > edX | Software Architect | [email protected] > > 141 Portland Street, 9th floor > > Cambridge, MA 02139 > http://www.edx.org <http://www.edxonline.org/> > > [image: > http://www.e-learn.nl/media/blogs/e-learn/edX_Logo_Col_RGB_FINAL.jpg?mtime=1336074566] > > -- > You received this message because you are subscribed to the Google Groups > "General Open edX discussion" group. > To view this discussion on the web visit https://groups.google.com/d/ms > gid/edx-code/CAKZ_z5n6%3DbxaPff%3DA49T882%3DhWkaQwOfXYTtOL% > 2BtT1pJ4-sPwA%40mail.gmail.com > <https://groups.google.com/d/msgid/edx-code/CAKZ_z5n6%3DbxaPff%3DA49T882%3DhWkaQwOfXYTtOL%2BtT1pJ4-sPwA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "General Open edX discussion" group. To view this discussion on the web visit https://groups.google.com/d/msgid/edx-code/CAEyJbEap2UMsoHe6ZwfNy8BMLdU0-ji0cT0JB1rGD1aXkL%3D2YA%40mail.gmail.com.
