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I am developing one app, and what I think I wanna do is receive data from server database in android. So I started to run some tutorials. I found one that is doing pretty much what I want. But I am getting:
detailMessage "failed to connect to localhost/127.0.0.1 (port 8080): connect failed: ECONNREFUSED (Connection refused)" (id=830021648792) Whole code of this tutorial is here link
Error occurs on :
OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
I checked that:
http://localhost:8080/Requestor/RQSRV -the servlet is running My configuration :
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ECONNREFUSED error means that connection could not be made with the target service (in your case localhost:8080 ). Check your service running on port 8080.
You either need to start the server locally, since your request is going to localhost , or change localhost to the server´s URL or IP.
A "Connection Refused" error means that either the server you're trying to connect to isn't running an FTP server, or there's a firewall in your way that's preventing the connection. An "User Authentication failed" error would usually occur if your credentials are bad.
To access your PC localhost from Android emulator, use 10.0.2.2 instead of 127.0.0.1. localhost or 127.0.0.1 refers to the emulated device itself, not the host the emulator is running on.
Reference: https://developer.android.com/studio/run/emulator-networking#networkaddresses
For Genymotion use: 10.0.3.2 instead of 10.0.2.2
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