In emacs, using gopls but it cannot find go on my path. But it's there, I can run it. Reaching out to the community to see if I'm missing something. I can run a basic gin server without issue.
Using this config, from docs.
Output:
panic: err: exec: "go": executable file not found in $PATH: stderr:
goroutine 73 [running]:
golang.org/x/tools/internal/lsp/debug.PrintVersionInfo.func2()
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/lsp/debug/info.go:58 +0x1c3
golang.org/x/tools/internal/lsp/debug.section(0x1a2d520, 0xc00013de60, 0x0, 0x18cda9a, 0x7, 0xc0003bb588)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/lsp/debug/info.go:69 +0x319
golang.org/x/tools/internal/lsp/debug.PrintVersionInfo(0x1a40560, 0xc000226c60, 0x1a2d520, 0xc00013de60, 0x1, 0x0)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/lsp/debug/info.go:52 +0x1a7
golang.org/x/tools/internal/lsp.(*Server).initialized(0xc000230080, 0x1a40560, 0xc000226c60, 0x1fa2ef0, 0x0, 0x0)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/lsp/general.go:163 +0x1a3
golang.org/x/tools/internal/lsp.(*Server).Initialized(0xc000230080, 0x1a40560, 0xc000226c60, 0x1fa2ef0, 0x1fa2ef0, 0x0)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/lsp/server_gen.go:112 +0x49
golang.org/x/tools/internal/lsp/protocol.ServerHandler.func1(0x1a40560, 0xc000226c60, 0xc00022cd80, 0x1c650b5, 0x1f77a40)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/lsp/protocol/tsserver.go:97 +0x757
golang.org/x/tools/internal/lsp/lsprpc.handshaker.func1(0x1a40560, 0xc000226c60, 0xc00022cd80, 0x0, 0x0)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/lsp/lsprpc/lsprpc.go:531 +0x505
golang.org/x/tools/internal/jsonrpc2.MustReply.func1(0x1a40560, 0xc000226c60, 0xc00022cd80, 0x1007aaf, 0xc0002901d8)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/jsonrpc2/handler.go:54 +0x47
golang.org/x/tools/internal/jsonrpc2.AsyncHandler.func1.2(0xc00009eb40, 0xc000226de0, 0xc000232130, 0x1a40560, 0xc000226c60, 0xc00022cd80)
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/jsonrpc2/handler.go:110 +0x6c
created by golang.org/x/tools/internal/jsonrpc2.AsyncHandler.func1
/Users/seanh/go/pkg/mod/golang.org/x/tools@v0.0.0-20200407041343-bf15fae40dea/internal/jsonrpc2/handler.go:107 +0x187
Process gopls stderr finished
A guess: The PATH env var might be different in Emacs compared to whatever other shell you're running. You can check with (getenv "PATH") in Emacs, and you can set it with
(setenv "PATH" (concat (getenv "PATH") ":/path/to/go"))
Also if you start Emacs from the same shell that can find gopls, Emacs should have the same PATH var and everything should work.
As far as why the PATHs are different, it has to do with how you start Emacs and your shell.