Cannot make gopls work with emacs in module mode

[Xdkkz Lpwjd]

Hi everyone,

My go version is 1.14.6, and the GO111MODULE is unset. If it is GOPATH mode, gopls works fine, but if in module mode, it doesn't work at all on my macbook, here is what I do:

Create the following layout outside of GOPATH, 

        ~/projects-go

            /hello

                /foo

                     foo.go

                hello.go

                go.mod

hello.go:

package hello

import (
    "example.com/hello/foo"
)

// Hello ...
func Hello() string {
    foo.Foo()
    return "Hello, world."
}

foo.go:

package foo

import "fmt"

func Foo() {
    fmt.Println("Foo")
}

go.sum:

module example.com/hello


go 1.14

When I open hello.go in emacs, and hover the mouse to the import line, emacs shows the following message in mini buffer after a few minutes:

could not import example.com/hello/foo (no package for import example.com/hello/foo)

I tried to find any debug message why it cannot import the package with following settings, but no luck. I open the page http://localhost:8080, no useful message, just some memory info, rpc, trace, etc. The file gopls.log was created, but it is empty

(use-package lsp-mode
  :ensure t
  :init
  (setq lsp-gopls-server-args '("-debug" ":8080" "-vv" "-logfile" "/Users/foobar/gopls.log"))
  :commands (lsp lsp-deferred)
  :hook (go-mode . lsp-deferred)
  :config
  ;; Set up before-save hooks to format buffer and add/delete imports.
  ;; Make sure you don't have other gofmt/goimports hooks enabled.
  (defun lsp-go-install-save-hooks ()
    "Comment lsp-go-install-save-hooks."
    (add-hook 'before-save-hook #'lsp-format-buffer t t)
    (add-hook 'before-save-hook #'lsp-organize-imports t t))
  (add-hook 'go-mode-hook #'lsp-go-install-save-hooks)
  )

Thank you very much

[Muir Manders]

First I invite you to join #emacs on the Gophers' slack (https://invite.slack.golangbridge.org/), home to some of the world's foremost experts on using gopls in Emacs.

Regarding your issue, I would guess your lsp-mode workspace folder isn't configured properly. Your workspace folder should be the folder containing your go.mod (i.e. ~/projects-go/hello). You can run `M-x lsp-describe-session` to see your workspace folder(s), then use `M-x lsp-workspace-folders-remove` and `M-x lsp-workspace-folders-add` as needed.

Muir

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[leopold.fr...@gmail.com]

It works, thank you very much