Can not visit from 127.0.0.1:4444 in Windows 10 host for Docker. about rskj HOT 5 CLOSED

hi @zydjohnHotmail. RSKj is not a web app. On port 4444 it only provides JSON-RPC api, meaning that only RPC requests (via HTTP POST) are being accepted.

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Hi,
I know this, I have tested other blockchain, if they use RPC service, and if the port are exported, I can visit the http://127.0.0.1:port#, but I will get error message like: the port only support HTTP post request, which means the RPC is running well, and I can visit the RPC server from Windows 10 host. But RSKJ seems a little different, since I can use curl http post request inside the Docker container, it means the RPC server is working inside the Docker container, and I exported the port to 127.0.0.1 or localhost, which I should be able to use the RPC service from within Windows 10 host.
I have tried so many other blockchain RPC in Dockers, except RSKJ, if I can use Curl inside Docker container, then I can use http post request from Windows 10 Host. But I don't why it is not working with RSKJ.

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and does the curl query also work outside your docker container? RSKj is not intended for use over HTTP GET - this is what happening when you try to open that link in a browser.

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No, outside docker container, RSKj is not working.
However, some other blockchain, I have tried, if they work inside a docker container, then they work outside docker container, I mean in Windows 10 host. If I click on the RSKj link, like: http://127.0.0.1:4444, I got error like: This page isn't working at the momentlocalhost didn’t send any data.
ERR_EMPTY_RESPONSE
For other blockchain, if RPC server is working inside docker container, and when I click on localhost port from docker container, which I send a http get request, I got error message like: the port only support HTTP post request.
In this case, I can use curl from Windows 10 to send HTTP post request to RPC server running inside Docker container.
Hope you understand.

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unfortunately, the JSON-RPC interface in RSKj is not designed in the way that it can be open in a browser. Also this capability is not part of the eth spec. Closing the issue.

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