golang go get unrecognized import path

Question

When I tried to run go get in a golang project root path ChaatzFeaturePhoneServer. It prompts

  go get
  package FeaturePhoneServer/routers: unrecognized import path "FeaturePhoneServer/routers"

I am rather confused about it. What is the possible cause of it? How can I find out the cause and fix it?

Answer 1

Check your GOPATH environment variable:

go expect to find FeaturePhoneServer/routers in $GOPATH/src (see go build)
Avoid relative import paths.

If the error persists, you can also check your GOROOT and go installation, as in this question.