'Get "ERR_EMPTY_RESPONSE" when accessing localhost;114 mapped to docker container port
Trouble
Putting localhost:114,which is the host port mapped to the Docker container port, into the URL window of Chrome browser caused the error below:
このページは動作していませんlocalhost からデータが送信されませんでした。
ERR_EMPTY_RESPONSE
Environment
Docker Desktop on Windows/Windows 10 Home
Detail
For a practice for Docker, I'm trying to run some containers from Docker Image. In one trial, I tried the following.
docker run -d -p 114:514 --name yaju -v yajuHozon:/home/jovyan/work jupyter/datascience-notebook
and this is the container made.
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b46b2b2a5ed1 jupyter/datascience-notebook "tini -g -- start-no…" 6 hours ago Up 6 hours 8888/tcp, 0.0.0.0:114->514/tcp yaju
What is wrong?
Any information would be appreciated.
What worked tentatively
I tried to make other containers yaju2,yaju3,yaju4 with other port numbers assigned as follow:
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
cb2a9716bead jupyter/datascience-notebook "tini -g -- start-no…" 49 seconds ago Up 47 seconds 8888/tcp, 0.0.0.0:8893->5000/tcp yaju4
6c6f3b44846d jupyter/datascience-notebook "tini -g -- start-no…" About a minute ago Up About a minute 0.0.0.0:8889->8888/tcp yaju3
5a470fc9e71f jupyter/datascience-notebook "tini -g -- start-no…" 3 minutes ago Up 3 minutes 8888/tcp, 0.0.0.0:80->8080/tcp yaju2
b46b2b2a5ed1 jupyter/datascience-notebook "tini -g -- start-no…" 22 hours ago Up 22 hours 8888/tcp, 0.0.0.0:114->514/tcp yaju
Then, only yaju3 with 0.0.0.0:8889->8888/tcp worked and succeeded connecting container server. yaju2 with 8888/tcp, 0.0.0.0:80->8080/tcp and yaju4 with 8888/tcp, 0.0.0.0:8893->5000/tcp are also not working with ERR_EMPTY_RESPONSE. I guess that some port numbers are not suitable for using networking between Docker container and host OS, but I don't understand the detailed mechanisms.
Other what I tried
Stopped firewall
It appears that the firewall of ESET Endpoint Security sometimes does bad things for port issues so I turned it off, but the error still remains.
curl in Host
I tried curl command in host console and get an error below:
curl "http://localhost:114/"
curl: (52) Empty reply from server
curl in the container
I tried curl command in container to make it sure the server is running, but there was a error:
curl "http://localhost:514"
curl: (7) Failed to connect to localhost port 514 after 0 ms: Connection refused
Sources
This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.
Source: Stack Overflow
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