gistfile1.txt

2014-07-17 12:57:42,860 ERROR 5871 [django.request] base.py:215 - Internal Server Error: /courses/TSTX/GRP1/now/xblock/i4x:;_;_TSTX;_GRP1;_vertical;_885b46f041ec4207b5fd9ba9d7de6460/view/student_view
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/edx-platform/lms/djangoapps/courseware/module_render.py", line 688, in xblock_view
    fragment = instance.render(view_name)
  File "/edx/app/edxapp/venvs/edxapp/src/xblock/xblock/core.py", line 283, in render
    return self.runtime.render(self, view, context)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1078, in render
    return block.xmodule_runtime.render(to_render, view_name, context)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 941, in render
    return super(MetricsMixin, self).render(block, view_name, context=context)
  File "/edx/app/edxapp/venvs/edxapp/src/xblock/xblock/runtime.py", line 590, in render
    frag = view_fn(context)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/vertical_module.py", line 24, in student_view
    rendered_child = child.render('student_view', context)
  File "/edx/app/edxapp/venvs/edxapp/src/xblock/xblock/core.py", line 283, in render
    return self.runtime.render(self, view, context)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1078, in render
    return block.xmodule_runtime.render(to_render, view_name, context)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 941, in render
    return super(MetricsMixin, self).render(block, view_name, context=context)
  File "/edx/app/edxapp/venvs/edxapp/src/xblock/xblock/runtime.py", line 590, in render
    frag = view_fn(context)
  File "/edx/app/edxapp/venvs/edxapp/src/xblock-discussion/discussion_forum/discussion_forum.py", line 170, in student_view
    context = discussion_service.get_course_template_context()
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1176, in get_course_template_context
    user_info = cc.User.from_django_user(self.runtime.user).to_dict()
  File "/edx/app/edxapp/edx-platform/lms/lib/comment_client/user.py", line 27, in from_django_user
    return cls(id=str(user.id),
AttributeError: 'NoneType' object has no attribute 'id'
[17/Jul/2014 12:57:43] "GET /courses/TSTX/GRP1/now/xblock/i4x:;_;_TSTX;_GRP1;_vertical;_885b46f041ec4207b5fd9ba9d7de6460/view/student_view HTTP/1.0" 500 442317