gistfile1.txt

2015-07-07 11:51:18,758 ERROR 5349 [contentstore.views.import_export] import_export.py:381 - There was an error exporting course-v1:xcvb+xcvb+xcvb
Traceback (most recent call last):
  File "/edx/app/edxapp/edx-platform/cms/djangoapps/contentstore/views/import_export.py", line 374, in create_export_tarball
    export_course_to_xml(modulestore(), contentstore(), course_module.id, root_dir, name)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/xml_exporter.py", line 350, in export_course_to_xml
    CourseExportManager(modulestore, contentstore, course_key, root_dir, course_dir).export()
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/xml_exporter.py", line 171, in export
    courselike.add_xml_to_node(root)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 549, in add_xml_to_node
    super(XmlParserMixin, self).add_xml_to_node(node)  # pylint: disable=bad-super-call
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1047, in add_xml_to_node
    xml_string = self.export_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 538, in export_to_xml
    super(XmlDescriptor, self).add_xml_to_node(node)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 412, in add_xml_to_node
    xml_object = self.definition_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/course_module.py", line 1065, in definition_to_xml
    xml_object = super(CourseDescriptor, self).definition_to_xml(resource_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/seq_module.py", line 182, in definition_to_xml
    self.runtime.add_block_as_child_node(child, xml_object)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1425, in add_block_as_child_node
    block.add_xml_to_node(child)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 549, in add_xml_to_node
    super(XmlParserMixin, self).add_xml_to_node(node)  # pylint: disable=bad-super-call
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1047, in add_xml_to_node
    xml_string = self.export_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 538, in export_to_xml
    super(XmlDescriptor, self).add_xml_to_node(node)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 412, in add_xml_to_node
    xml_object = self.definition_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/seq_module.py", line 182, in definition_to_xml
    self.runtime.add_block_as_child_node(child, xml_object)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1425, in add_block_as_child_node
    block.add_xml_to_node(child)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 549, in add_xml_to_node
    super(XmlParserMixin, self).add_xml_to_node(node)  # pylint: disable=bad-super-call
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1047, in add_xml_to_node
    xml_string = self.export_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 538, in export_to_xml
    super(XmlDescriptor, self).add_xml_to_node(node)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 412, in add_xml_to_node
    xml_object = self.definition_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/seq_module.py", line 182, in definition_to_xml
    self.runtime.add_block_as_child_node(child, xml_object)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1425, in add_block_as_child_node
    block.add_xml_to_node(child)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 412, in add_xml_to_node
    xml_object = self.definition_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/vertical_block.py", line 111, in definition_to_xml
    self.runtime.add_block_as_child_node(child, xml_object)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1425, in add_block_as_child_node
    block.add_xml_to_node(child)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 549, in add_xml_to_node
    super(XmlParserMixin, self).add_xml_to_node(node)  # pylint: disable=bad-super-call
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py", line 1047, in add_xml_to_node
    xml_string = self.export_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 538, in export_to_xml
    super(XmlDescriptor, self).add_xml_to_node(node)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/xml_module.py", line 412, in add_xml_to_node
    xml_object = self.definition_to_xml(self.runtime.export_fs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/raw_module.py", line 37, in definition_to_xml
    raise SerializationError(self.location, msg)
SerializationError: Unable to create xml for module block-v1:xcvb+xcvb+xcvb+type@problem+block@4fd3caf1d5f04a0d9d46dfe682e65ba9. Context: 'l></problem>'
2015-07-07 11:51:18,782 ERROR 5349 [root] exceptions.py:9 - Uncaught exception from <class 'django.core.handlers.wsgi.WSGIHandler'>
Traceback (most recent call last):
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 103, in get_response
    response = middleware_method(request, callback, callback_args, callback_kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/debug_toolbar/middleware.py", line 77, in process_view
    response = panel.process_view(request, view_func, view_args, view_kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/debug_toolbar/panels/profiling.py", line 134, in process_view
    return self.profiler.runcall(view_func, *args, **view_kwargs)
  File "/usr/lib/python2.7/cProfile.py", line 149, in runcall
    return func(*args, **kw)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 20, in _wrapped_view
    return view_func(request, *args, **kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/http.py", line 41, in inner
    return func(request, *args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/djangoapps/util/views.py", line 40, in inner
    response = view_func(request, *args, **kwargs)
  File "/edx/app/edxapp/edx-platform/cms/djangoapps/contentstore/views/import_export.py", line 476, in export_handler
    tarball = create_export_tarball(courselike_module, course_key, context)
  File "/edx/app/edxapp/edx-platform/cms/djangoapps/contentstore/views/import_export.py", line 386, in create_export_tarball
    failed_item = modulestore().get_item(exc.location)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/mixed.py", line 90, in inner
    retval = func(field_decorator=strip_key_collection, *args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/mixed.py", line 234, in get_item
    return store.get_item(usage_key, depth, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/split_draft.py", line 261, in get_item
    return super(DraftVersioningModuleStore, self).get_item(usage_key, depth=depth, **kwargs)
  File "<string>", line 2, in get_item
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/split.py", line 1045, in get_item
    items = self._load_items(course, [BlockKey.from_usage_key(usage_key)], depth, **kwargs)
  File "<string>", line 2, in _load_items
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/split.py", line 763, in _load_items
    return [runtime.load_item(block_key, course_entry, **kwargs) for block_key in block_keys]
  File "<string>", line 2, in _load_item
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/caching_descriptor_system.py", line 127, in _load_item
    block_data = self.get_module_data(block_key, course_key)
  File "<string>", line 2, in get_module_data
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/caching_descriptor_system.py", line 148, in get_module_data
    raise ItemNotFoundError(block_key)
ItemNotFoundError: BlockKey(type=u'problem', id=u'4fd3caf1d5f04a0d9d46dfe682e65ba9')
2015-07-07 11:51:18,783 ERROR 5349 [django.request] base.py:213 - Internal Server Error: /export/course-v1:xcvb+xcvb+xcvb
Traceback (most recent call last):
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 103, in get_response
    response = middleware_method(request, callback, callback_args, callback_kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/debug_toolbar/middleware.py", line 77, in process_view
    response = panel.process_view(request, view_func, view_args, view_kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/debug_toolbar/panels/profiling.py", line 134, in process_view
    return self.profiler.runcall(view_func, *args, **view_kwargs)
  File "/usr/lib/python2.7/cProfile.py", line 149, in runcall
    return func(*args, **kw)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 20, in _wrapped_view
    return view_func(request, *args, **kwargs)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/http.py", line 41, in inner
    return func(request, *args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/djangoapps/util/views.py", line 40, in inner
    response = view_func(request, *args, **kwargs)
  File "/edx/app/edxapp/edx-platform/cms/djangoapps/contentstore/views/import_export.py", line 476, in export_handler
    tarball = create_export_tarball(courselike_module, course_key, context)
  File "/edx/app/edxapp/edx-platform/cms/djangoapps/contentstore/views/import_export.py", line 386, in create_export_tarball
    failed_item = modulestore().get_item(exc.location)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/mixed.py", line 90, in inner
    retval = func(field_decorator=strip_key_collection, *args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/mixed.py", line 234, in get_item
    return store.get_item(usage_key, depth, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/split_draft.py", line 261, in get_item
    return super(DraftVersioningModuleStore, self).get_item(usage_key, depth=depth, **kwargs)
  File "<string>", line 2, in get_item
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/split.py", line 1045, in get_item
    items = self._load_items(course, [BlockKey.from_usage_key(usage_key)], depth, **kwargs)
  File "<string>", line 2, in _load_items
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/split.py", line 763, in _load_items
    return [runtime.load_item(block_key, course_entry, **kwargs) for block_key in block_keys]
  File "<string>", line 2, in _load_item
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/caching_descriptor_system.py", line 127, in _load_item
    block_data = self.get_module_data(block_key, course_key)
  File "<string>", line 2, in get_module_data
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/contracts/main.py", line 266, in contracts_checker
    result = function_(*args, **kwargs)
  File "/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/modulestore/split_mongo/caching_descriptor_system.py", line 148, in get_module_data
    raise ItemNotFoundError(block_key)
ItemNotFoundError: BlockKey(type=u'problem', id=u'4fd3caf1d5f04a0d9d46dfe682e65ba9')

Hi, do you know what's the problem exactly. I encountered the similar problem also.