fix: remove logic from error handler to increase fault tolerance

grow/server/handlers.py

@@ -68,9 +68,6 @@ def serve_exception(pod, request, exc, **_kwargs):
         'status': status,
         'traceback': formatted_traceback,
     }
-    home_doc = pod.get_home_doc()
-    if home_doc and home_doc.exists:
-        kwargs['home_url'] = home_doc.url.path
     if (isinstance(exc, errors.BuildError)):
         kwargs['build_error'] = exc.exception
     if (isinstance(exc, errors.BuildError)

grow/server/manager.py

@@ -68,6 +68,7 @@ def print_server_ready_message(pod, host, port):
         home_doc = pod.get_home_doc()
         root_path = home_doc.url.path if home_doc and home_doc.exists else '/'
     except:
+        # Allow the user to fix the problem without restarting the server manually.
         root_path = '/'
         pod.logger.exception('Failed to determine root URL path.')
     url_base = 'http://{}:{}/'.format(host, port)