500 GET /vnc/ (172.17.0.1): could not start vnc in time

[Shabber641]

Dear,

I cloned the project to my local directory and built the image and ran it as below.. when i click on VNC icon, i get 500 error...it works nicely on renkulab.io.. i want to have same stuff running on my local... i notice few things are missing

1. renku init
2. /usr/share/novnc/utils/launch.sh is not there in the git repository

below are the logs , please kindly help

C:\Users\sbedadhaluri\Documents\Shabber\docker\vnc\renku-vnc\xvnc4>docker run --rm -it -p 8888:8888 renku-vnc jupyter lab --ip=0.0.0.0
fatal: repository '//renku-env.git' does not exist
find: ‘/tmp/renku-env’: No such file or directory
Error: . is not a renku repository.
To initialize this as a renku repository use: renku init
[I 20:24:43.009 LabApp] Writing notebook server cookie secret to /home/jovyan/.local/share/jupyter/runtime/notebook_cookie_secret
[I 20:24:44.067 LabApp] JupyterLab extension loaded from /opt/conda/lib/python3.7/site-packages/jupyterlab
[I 20:24:44.067 LabApp] JupyterLab application directory is /opt/conda/share/jupyter/lab
[I 20:24:44.206 LabApp] Serving notebooks from local directory: /home/jovyan
[I 20:24:44.206 LabApp] The Jupyter Notebook is running at:
[I 20:24:44.206 LabApp] http://d26d0d255219:8888/?token=d278edfb5108bddb57bb401b896e83d3f16757df68e24174
[I 20:24:44.206 LabApp] or http://127.0.0.1:8888/?token=d278edfb5108bddb57bb401b896e83d3f16757df68e24174
[I 20:24:44.206 LabApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 20:24:44.212 LabApp]

To access the notebook, open this file in a browser:
    file:///home/jovyan/.local/share/jupyter/runtime/nbserver-28-open.html
Or copy and paste one of these URLs:
    http://d26d0d255219:8888/?token=d278edfb5108bddb57bb401b896e83d3f16757df68e24174
 or http://127.0.0.1:8888/?token=d278edfb5108bddb57bb401b896e83d3f16757df68e24174

[I 20:25:08.976 LabApp] 302 GET /?token=d278edfb5108bddb57bb401b896e83d3f16757df68e24174 (172.17.0.1) 1.45ms
[I 20:25:10.424 LabApp] Build is up to date
[I 20:25:56.622 LabApp] New terminal with automatic name: 1
TermSocket.open: 1
TermSocket.open: Opened 1
/usr/bin/env: ‘bash\r’: No such file or directory

/usr/bin/env: ‘bash\r’: No such file or directory[W 20:44:40.358 LabApp] 500 GET /vnc/ (172.17.0.1): could not start vnc in time
[E 20:44:40.425 LabApp] {
"Host": "127.0.0.1:8888",
"Connection": "keep-alive",
"Sec-Ch-Ua": ""Chromium";v="92", " Not A;Brand";v="99", "Google Chrome";v="92"",
"Sec-Ch-Ua-Mobile": "?0",
"Upgrade-Insecure-Requests": "1",
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36",
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.9",
"Sec-Fetch-Site": "same-origin",
"Sec-Fetch-Mode": "navigate",
"Sec-Fetch-User": "?1",
"Sec-Fetch-Dest": "document",
"Referer": "http://127.0.0.1:8888/lab",
"Accept-Encoding": "gzip, deflate, br",
"Accept-Language": "en-US,en;q=0.9",
"Cookie": "_xsrf=2|15ff6ee4|1a6c08c7ff58e954029017f65d22ae95|1629215401; username-127-0-0-1-8888="2|1:0|10:1629233068|23:username-127-0-0-1-8888|44:OTRjYmY4NTc0OTYwNGJiYWFhZTJhYTgwYjEyM2NiNDE=|6fda47502480fa155440195f20b987e0c5106c15e4e221b4f977601190e41cb1""
}
[E 20:44:40.425 LabApp] 500 GET /vnc/ (172.17.0.1) 10096.98ms referer=http://127.0.0.1:8888/lab

[Shabber641]

3. work directory is empty , i manually copied all the files from renkulab.io to local but it still failed..