Take the 2-minute tour ×  While making my App Engine app I
suddenly ran into an error which shows every couple of requests:
File "/home/ubuntu/Programs/google/google_appengine/google/appen
gine/ext/webapp/util.py", line 98, in run_wsgi_app   File "/home
/ubuntu/Programs/google/google_appengine/google/appengine/ext/we
bapp/util.py", line 118, in run_bare_wsgi_app     for data in
result:   File "/home/ubuntu/Programs/google/google_appengine/go
ogle/appengine/ext/appstats/recording.py", line 897, in
appstats_wsgi_wrapper     result = app(environ,
appstats_start_response)   File "/home/ubuntu/Programs/google/go
ogle_appengine/google/appengine/ext/webapp/_webapp25.py", line
717, in __call__     handler.handle_exception(e, self.__debug)
File "/home/ubuntu/Programs/google/google_appengine/google/appen
gine/ext/webapp/_webapp25.py", line 463, in handle_exception
File "/home/ubuntu/Programs/google/google_appengine/google/appen
gine/ext/webapp/_webapp25.py", line 436, in error   File
"/home/ubuntu/Programs/google/googl