topic exception: HTML Frame Load Error 7 Encountered: Couldn't connect to server in FlexSim Forum

exception: HTML Frame Load Error 7 Encountered: Couldn't connect to server

libby_w2 — Sat, 18 Apr 2020 07:41:28 GMT

[ FlexSim 19.2.0 ]

Attach is the post about using GUI's html component to test webkit function:

https://answers.flexsim.com/questions/70251/is-flexsim-webkit-supports-websockets.html

Download attached model, the html page can't open and report error msg "exception: HTML Frame Load Error 7 Encountered: Couldn't connect to server".

How to solve this problem?

Re: exception: HTML Frame Load Error 7 Encountered: Couldn't connect to server

tanner_p — Tue, 21 Apr 2020 13:53:00 GMT

Hi @Libby,

I'm not sure what might be causing that specific error. I was able to connect to FlexSim's home page by using the HTML object in a GUI as shown below. Could you explain the steps you took to add your HTML node and assign a webpage and everything? That might help us debug your issue. It also seems like there may also be an issue with your internet connection.

Re: exception: HTML Frame Load Error 7 Encountered: Couldn't connect to server

libby_w2 — Wed, 22 Apr 2020 07:18:26 GMT

Hi, @tanner.p ♦ I just download that model and didn't do any change to the HTML node. I assigned that GUI to the "Control" button, opened the GUI by the "Control" button, and then got that error msg.

Do I need to do some config in Global Preferences before using the HTML node? It looks like some kind of network connection error.

Re: exception: HTML Frame Load Error 7 Encountered: Couldn't connect to server

philboboADSK — Wed, 22 Apr 2020 13:09:23 GMT

Can you go to that website from any other web browser on your computer? The error message says that you can't connect to the server. It seems to me that your connection is being blocked by a firewall.

https://websocket.org/echo.html

Do other HTML pages work in your FlexSim installation, such as the Start Page and the User Manual?