python - How do I solve the error of the official canonical "Hello, world" example app of Tornado? - 


my python version 2.7.2

python runing uwsgi nginx config is

location /{  uwsgi_pass 127.0.0.1:8888;  include uwsgi_params;  }

app.py

import tornado.ioloop import tornado.web  class mainhandler(tornado.web.requesthandler):     def get(self):         self.write("hello, world")  if __name__ == "__main__":     application = tornado.web.application([         (r"/", mainhandler),     ])     application.listen(9090)     tornado.ioloop.ioloop.instance().start()

then run "i run "uwsgi -s :9090 -w app"

but throw error

[pid: 28719|app: 0|req: 21/21] 118.207.180.64 () {38 vars in 716 bytes} [sun mar 23 22:44:34 2014] / => generated 0 bytes in 0 msecs (http/1.1 500) 0 headers in 0 bytes (0 switches on core 0) attributeerror: application instance has no call method

how solve it?

import tornado.web import tornado.wsgi import wsgiref.simple_server  class mainhandler(tornado.web.requesthandler):     def get(self):         self.write("hello, world")  if __name__ == "__main__":     application = tornado.wsgi.wsgiapplication([         (r"/", mainhandler),     ])     server = wsgiref.simple_server.make_server('', 8888, application)     server.serve_forever()

(from official docs)


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