# the mediasoup demo online is error!

**URL:** <https://mediasoup.discourse.group/t/the-mediasoup-demo-online-is-error/4191>\
**Category:** Deployment & Scalability\
**Created:** [May 20, 2022, 10:19am UTC](https://mediasoup.discourse.group/t/the-mediasoup-demo-online-is-error/4191 "2022-05-20T10:19:04Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![avdance](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/avdance/32/143_2.png) [@avdance](https://mediasoup.discourse.group/u/avdance)\
**Post date:** [May 20, 2022, 10:19am UTC](https://mediasoup.discourse.group/t/the-mediasoup-demo-online-is-error/4191/1 "2022-05-20T10:19:05Z")

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I want to do some tests using mediasoup demo online([mediasoup demo](https://v3demo.mediasoup.org/?roomId=awsyxybb)) but it’s don’t work. the error is “websocket connect error”, why?

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**Author:** ![avdance](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/avdance/32/143_2.png) [@avdance](https://mediasoup.discourse.group/u/avdance)\
**Post date:** [May 23, 2022, 5:02am UTC](https://mediasoup.discourse.group/t/the-mediasoup-demo-online-is-error/4191/2 "2022-05-23T05:02:23Z")

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Now, It‘s OK