Internal Server Error creating a packaged mashups using invalid/outdated MACs #252

Traceback:

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/exception.py" in inner
  39.             response = get_response(request)

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in _legacy_get_response
  249.             response = self._get_response(request)

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in _get_response
  187.                 response = self.process_exception_by_middleware(e, request)

File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in _get_response
  185.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/commons/baseviews/resource.py" in __call__
  57.             response = getattr(self, METHOD_MAPPING[request_method])(request, *args, **kwargs)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/commons/utils/http.py" in wrapper
  239.         return func(self, request, *args, **kwargs)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/commons/utils/http.py" in wrapper
  281.             return func(self, request, *args, **kwargs)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/commons/utils/transaction.py" in wrapped_func
  28.             res = func(*args, **kwargs)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/platform/workspace/views.py" in create
  515.         resource = get_local_catalogue().publish(None, wgt_file, request.user, options, request)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/platform/core/catalogue_manager.py" in publish
  89.             added, resource = install_resource_to_user(user, file_contents=wgt_file, packaged=True, raise_conflicts=True)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/platform/localcatalogue/utils.py" in install_resource_to_user
  77.     resource = install_resource(downloaded_file, executor_user)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/platform/localcatalogue/utils.py" in install_resource
  67.         resource = add_packaged_resource(file_contents, executor_user, wgt_file=wgt_file)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/catalogue/utils.py" in add_packaged_resource
  210.     check_packaged_resource(wgt_file, resource_info)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/catalogue/utils.py" in check_packaged_resource
  187.     check_invalid_embedded_resources(wgt_file, resource_info)

File "/usr/local/lib/python2.7/dist-packages/wirecloud/catalogue/utils.py" in check_invalid_embedded_resources
  147.             raise InvalidContents('Invalid embedded file: %s' % embedded_resource['src'], details=e)

Exception Type: InvalidContents at /api/workspace/8944/publish
Exception Value: Invalid embedded file: macs/CoNWeT_web-browser_1.5.1.wgt