LSP not working on Golang: Async job failed: protocol error: ServerError(0): no packages

[achenet]

Summary

Hello, when I try to use the LSP on Helix with Go, I'm getting an error that says Async job failed: protocol error: ServerError(0): no packages. The LSP works fine for a Rust project, and even for an older Golang project, so I'm somewhat confused as to why it's not working here.

I've tried erasing the go.mod and go.sum files, the error goes away for some basic things (like functions in the same file and std lib functions), but the LSP still doesn't work correctly and none of the imports are recognized. Re-creating a go.mod and go.sum file with go mod init causes the original problem (Async job failed: protocol error: ServerError(0): no packages) to re-occur.

Reproduction Steps

I tried this:

1. git init repo
2. go mod init module-name
3. hx
4. Pick a file, attempt to use the LSP, for example Space + a to try a code action

I expected this to happen:
The LSP to work, giving me for example a list of code actions.

Instead, this happened:
Async job failed: protocol error: ServerError(0): no packages
and the LSP doesn't work.

Helix log

~/.cache/helix/helix.log

2023-11-05T13:43:54.428 helix_lsp::transport [ERROR] gopls <- ServerError(0): 19:2: expected operand, found 'return'
2023-11-05T13:43:54.428 helix_view::document [WARN] LSP formatting failed: protocol error: ServerError(0): 19:2: expected operand, found 'return'
2023-11-05T13:43:59.823 helix_lsp::transport [ERROR] gopls <- ServerError(0): 19:2: expected operand, found 'return'
2023-11-05T13:43:59.823 helix_view::document [WARN] LSP formatting failed: protocol error: ServerError(0): 19:2: expected operand, found 'return'
2023-11-05T13:44:05.773 helix_lsp::transport [ERROR] gopls <- ServerError(0): 20:2: expected operand, found 'return'
2023-11-05T13:44:05.773 helix_view::document [WARN] LSP formatting failed: protocol error: ServerError(0): 20:2: expected operand, found 'return'
2023-11-05T13:45:42.203 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T13:45:42.203 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T13:47:11.267 helix_lsp::transport [ERROR] gopls err: <- StreamClosed
2023-11-05T13:59:39.977 helix_lsp::transport [ERROR] gopls <- ServerError(0): no packages
2023-11-05T13:59:39.977 helix_view::editor [ERROR] editor error: Async job failed: protocol error: ServerError(0): no packages
2023-11-05T13:59:41.978 helix_lsp::transport [ERROR] gopls err: <- StreamClosed
2023-11-05T14:00:20.224 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T14:00:20.224 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T14:00:22.892 helix_lsp::transport [ERROR] marksman err <- "[14:00:22 INF] <LSP Entry> Starting Marksman LSP server: {}\n"
2023-11-05T14:00:25.579 helix_lsp::transport [ERROR] gopls <- ServerError(0): no packages
2023-11-05T14:00:25.580 helix_view::editor [ERROR] editor error: Async job failed: protocol error: ServerError(0): no packages
2023-11-05T14:00:27.501 helix_lsp::transport [ERROR] gopls err: <- StreamClosed
2023-11-05T14:00:30.649 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T14:00:30.649 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T14:00:33.782 helix_view::editor [ERROR] editor error: No code actions available
2023-11-05T14:03:25.159 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T14:03:25.159 helix_view::theme [WARN] Theme: malformed ANSI: waveAqua
2023-11-05T14:09:36.862 helix_lsp::transport [ERROR] gopls <- ServerError(0): no object found for ident ProtectionAPIPayload
2023-11-05T14:09:36.863 helix_view::editor [ERROR] editor error: Async job failed: protocol error: ServerError(0): no object found for ident ProtectionAPIPayload

Platform

Linux (Ubuntu 20.04 Focal)

Terminal Emulator

Gnome Terminal

Installation Method

apt

Helix Version

helix 23.10 (f6021dd)

[pascalkuthe]

this error message means that the go LS crashed/exited due to an error. I don't see anything in the logs that would indicate a bug on our side. You should check whether gopls is up to date and if it is report that to gopls

[achenet]

Hello, thanks for your response.

The problem was indeed gopls not being up to date.

[zzx31584729]

go mod tidy
go mod vendor

我也遇到了同样的问题，使用这两条命令后，正常运行