# Failed to connect to duckling http server

**URL:** <https://forum.rasa.com/t/failed-to-connect-to-duckling-http-server/31632>\
**Category:** Rasa Open Source\
**Created:** [July 21, 2020, 3:56pm UTC](https://forum.rasa.com/t/failed-to-connect-to-duckling-http-server/31632 "2020-07-21T15:56:42Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![tyd](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/tyd/32/3030_2.png) [@tyd](https://forum.rasa.com/u/tyd)\
**Post date:** [July 22, 2020, 9:19am UTC](https://forum.rasa.com/t/failed-to-connect-to-duckling-http-server/31632/2 "2020-07-22T09:19:00Z")

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Hi @julie. There is an explanation in the [Rasa docs](https://rasa.com/docs/rasa/nlu/components/#ducklinghttpextractor). [This thread](http://forum.rasa.com/t/how-to-use-duckling-in-pipeline/91/15) also might provide helpful context as well. Let me know if you have more questions

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