On 8/7/22 11:04 AM, Yadd wrote:
On 06/08/2022 14:59, Nilesh Patra wrote:
Yadd,

Since you added in coffeescript patch for this package, I'd highly appreciate if
you could consider taking a look.

Hi,

is there a test somewhere to see this error ?

I'm not aware of any specific test that could trigger this code unfortunately, 
but I can reproduce
it on running shiny-server.
(Sorry for the long procedure)

| # apt install shiny-server
| # cd /srv
| # mkdir -p shiny-server
| # cd shiny-server
| # mkdir covid
| # cd covid
| # wget 
https://raw.githubusercontent.com/eebrown/covidprobability_shiny/main/app.R
| # R -e 'install.packages(c("covidprobability", "shinyjs"))'
| # # Start shiny server
| # shiny-server
|
|  ===> This will start on localhost:3838. Migrate to localhost:3838/covid, 
click on any of the bars and you will see this on terminal
|
| [2022-08-06T23:03:16.777] [INFO] shiny-server - Shiny Server v1.5.19.0 
(Node.js v18.6.0)
| [2022-08-06T23:03:16.779] [INFO] shiny-server - Using config file 
"/etc/shiny-server/shiny-server.conf"
| [2022-08-06T23:03:16.830] [WARN] shiny-server - Running as root unnecessarily 
is a security risk! You could be running more securely as non-root.
| [2022-08-06T23:03:16.836] [INFO] shiny-server - Starting listener on 
http://[::]:3838
| [2022-08-06T23:03:33.825] [ERROR] shiny-server - Uncaught exception: 
TypeError: Cannot read properties of undefined (reading 'addEventListener')
| [2022-08-06T23:03:33.829] [ERROR] shiny-server - TypeError: Cannot read 
properties of undefined (reading 'addEventListener')
| at WebSocketReceiver.setUp 
(/usr/share/nodejs/sockjs/lib/trans-websocket.js:76:24)
| at new GenericReceiver (/usr/share/nodejs/sockjs/lib/transport.js:313:12)
| at new WebSocketReceiver 
(/usr/share/nodejs/sockjs/lib/trans-websocket.js:63:9)
| at ws.onopen (/usr/share/nodejs/sockjs/lib/trans-websocket.js:31:55)
| at WebSocket.dispatchEvent 
(/usr/share/nodejs/faye-websocket/lib/faye/websocket/api/event_target.js:24:30)
| at WebSocket._open 
(/usr/share/nodejs/faye-websocket/lib/faye/websocket/api.js:144:10)
| at Hybi.<anonymous> 
(/usr/share/nodejs/faye-websocket/lib/faye/websocket/api.js:35:49)
| at Hybi.emit (node:events:513:28)
| at Hybi._open 
(/usr/share/nodejs/websocket-driver/lib/websocket/driver/base.js:148:10)
| at Hybi.start 
(/usr/share/nodejs/websocket-driver/lib/websocket/driver/base.js:105:34)
| [2022-08-06T23:03:33.839] [INFO] shiny-server - Stopping listener on 
http://[::]:3838
| [2022-08-06T23:03:33.839] [INFO] shiny-server - Shutting down worker 
processes (with notification)
| /usr/lib/shiny-server/lib/main.js:391
|   throw err;
|   ^
|
| TypeError: Cannot read properties of undefined (reading 'addEventListener')
| at WebSocketReceiver.setUp 
(/usr/share/nodejs/sockjs/lib/trans-websocket.js:76:24)
| at new GenericReceiver (/usr/share/nodejs/sockjs/lib/transport.js:313:12)
| at new WebSocketReceiver 
(/usr/share/nodejs/sockjs/lib/trans-websocket.js:63:9)
| at ws.onopen (/usr/share/nodejs/sockjs/lib/trans-websocket.js:31:55)
| at WebSocket.dispatchEvent 
(/usr/share/nodejs/faye-websocket/lib/faye/websocket/api/event_target.js:24:30)
| at WebSocket._open 
(/usr/share/nodejs/faye-websocket/lib/faye/websocket/api.js:144:10)
| at Hybi.<anonymous> 
(/usr/share/nodejs/faye-websocket/lib/faye/websocket/api.js:35:49)
| at Hybi.emit (node:events:513:28)
| at Hybi._open 
(/usr/share/nodejs/websocket-driver/lib/websocket/driver/base.js:148:10)
| at Hybi.start 
(/usr/share/nodejs/websocket-driver/lib/websocket/driver/base.js:105:34)
|
| Node.js v18.6.0


--
Best,
Nilesh

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