Gradle sync failed: Connection refused

Question

So I just installed Android Studio again after a long time and it asked me to configure the proxy, so I did. I tested the connection and it worked.

Then it asked me

Answer 1

I caught with same issue and was trying bypass proxies in Mac. Removed proxy from system-level(bashrc) and studio(gradle.properties). had no luck!

Found the studio unable to bypass the proxy, finally found the proxy was cahced in gradle in below file.

~/.gradle/gradle.properties

Essentially to make sure proxy referenes were muted in all gradle.prorties, inlcuding gradle cache.

gradle cache could be find as below(in Android view)