A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond :getNativeLibs FAILED.

[soumali]

Process 'command 'hg'' finished with non-zero exit value 255

gradlew.bat assemble

:compileJava UP-TO-DATE
:processResources UP-TO-DATE
:classes UP-TO-DATE
:getNativeLibs
abort: error: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
:getNativeLibs FAILED

FAILURE: Build failed with an exception.

What went wrong:
Execution failed for task ':getNativeLibs'.

Process 'command 'hg'' finished with non-zero exit value 255
Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED

Total time: 1 mins 13.079 secs

[lodart]

I think the command hg is not installed. On Ubuntu 16.10, I did sudo apt install mercurial and it worked.