Error while deleting course from sysadmin panel

[micklebt]

Hi Team,

Getting below error while deleting a course from sysadmin, i have provided course id also but it shows strange error message Must pass in a course_id when calling get_items() with MixedModuleStore.

Jan 15 14:43:36 li654-38 [service_variant=lms][django.request][env:sandbox] ERROR [li654-38 6351] [base.py:215] - Internal Server Error: /sysadmin/courses
Traceback (most recent call last):
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 111, in get_response
response = callback(request, callback_args, *callback_kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/generic/base.py", line 48, in view
return self.dispatch(request, args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 25, in wrapper
return boundfunc(args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in wrappedview
response = view_func(request, args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 21, in bound_func
return func(self, args2, *kwargs2)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 25, in wrapper
return boundfunc(args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 20, in wrappedview
return view_func(request, args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 21, in bound_func
return func(self, args2, *kwargs2)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 25, in wrapper
return boundfunc(args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/cache.py", line 75, in cachecontrolled
response = viewfunc(request, args, *kw)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 21, in bound_func
return func(self, args2, *kwargs2)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 25, in wrapper
return boundfunc(args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/http.py", line 147, in inner
response = func(request, args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 21, in bound_func
return func(self, args2, *kwargs2)
File "/edx/app/edxapp/edx-platform/lms/djangoapps/dashboard/sysadmin.py", line 76, in dispatch
return super(SysadminDashboardView, self).dispatch(args, *kwargs)
File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/generic/base.py", line 69, in dispatch
return handler(request, args, *kwargs)
File "/edx/app/edxapp/edx-platform/lms/djangoapps/dashboard/sysadmin.py", line 555, in post
delete_course(self.def_ms, content_store, loc, commit)
File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/store_utilities.py", line 267, in delete_course
modules = modulestore.get_items([source_location.tag, source_location.org , source_location.course, None, None, None])
File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/mixed.py", line 75, in get_items
raise Exception("Must pass in a course_id when calling get_items() with MixedModuleStore")
Exception: Must pass in a course_id when calling get_items() with MixedModuleStore

[carsongee]

I haven't had a change to look very closely at this, but at first blush I'm guessing it is as a result of using MixedModuleStore. MixedModuleStore is a mostly read only version of the studio mongo store. If you change your configuration in LMS to use the MongoModuleStore instead, this should work. I'll at least want to look into providing a better error message in the future though, so thank you for reporting the issue.

[sushanthpy]

Thank you for the quick response much appreciate it. Could you please tell me the exact location of the file to change from MixedModuleStore to MongoModuleStore

[carsongee]

If you are using the ansible plays in edx/configuration it is in /edx/app/edxapp/lms.auth.json under the MODULESTORE section. This will get overwritten if you rerun the plays and don't override that variable in the configuration repo/command line.

[ahmadio]

@carsongee
I used "ENGINE": "xmodule.modulestore.mixed.MixedModuleStore", and I restarted the app and got 500 error

[carsongee]

Should be:
'ENGINE': 'xmodule.modulestore.mongo.MongoModuleStore'
so that it is a read/write store in LMS.