UriError from coc.nvim when running the Copilot panel

[lr00rl]

when i run :Copilot panel in nvim(v0.10+, plugged coc.nvim), i got UriError from coc.nvim:

[coc.nvim]: UnhandledRejection: [UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//")
Error: [UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//")
    at s (~/.local/share/nvim/lazy/coc.nvim/build/index.js:26651:47)
    at new f (~/.local/share/nvim/lazy/coc.nvim/build/index.js:26675:85)
    at new l (~/.local/share/nvim/lazy/coc.nvim/build/index.js:26719:9)
    at f.parse (~/.local/share/nvim/lazy/coc.nvim/build/index.js:26687:25)
    at getUri (~/.local/share/nvim/lazy/coc.nvim/build/index.js:43859:36) 
    at Document.init (~/.local/share/nvim/lazy/coc.nvim/build/index.js:44027:21)
    at new Document (~/.local/share/nvim/lazy/coc.nvim/build/index.js:43917:14)
    at Documents._createDocument (~/.local/share/nvim/lazy/coc.nvim/build/index.js:44951:19)
    at ~/.local/share/nvim/lazy/coc.nvim/build/index.js:44933:24
    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)

and in the panel buffer:

Synthesized ?/0 solutions (Duplicates hidden) [done]  

and i try to debug the error where copilot.lua get the uri, in panel:init() doc is:

{
  indentSize = 4,
  insertSpaces = true,
  position = {
    character = 0,
    line = 0
  },
  relativePath = "copilot.lua",
  tabSize = 4,
  uri = "file:///mypathto.config/.config/nvim/lua/plugins/copilot.lua",
  version = 4
}

here is my copilot.lua logger config, the rest are default values

            logger = {
                log_to_file = true,
                file = vim.fn.stdpath("log") .. "/copilot-lua.log",
                file_log_level = vim.log.levels.OFF,
                print_log = true,
                print_log_level = vim.log.levels.WARN,
                trace_lsp = "messages", -- "off" | "messages" | "verbose"
                trace_lsp_progress = true,
                log_lsp_messages = true,
            },

i have to declear the logger, or it would raise attempt to index global 'logger' (a nil value), so i added it in should_attach function:

            should_attach = function(_, _)
                local logger = require('copilot.logger')
                if not vim.bo.buflisted then
                    logger.debug("not attaching, buffer is not 'buflisted'")
                    return false
                end

                if vim.bo.buftype ~= "" then
                    logger.debug("not attaching, buffer 'buftype' is " .. vim.bo.buftype)
                    return false
                end

                return true
            end,

:Copilot version

[Copilot.lua] Neovim 0.10.4
copilot language server 1.314.0
copilot.lua 2fe34db04570f6c47db0b752ca421a49b7357c03
Node.js 22.15.0
Language server: /home/cdcd/.local/share/nvim/lazy/copilot.lua/copilot/js/language-server.js

i have also tried copilot.vim, with the same configuration, it can run perfectly.

The uri in copilot#panel#Open(opts) is just a number: 0, when i debugged it.

I hope you can help me solve this issue. If you need any additional debugging information, I'm more than willing to provide it.

[AntoineGS]

Would you be able to share a minimal.lua config to reproduce the issue?
I do not use CoC (did not know it existed until now 🤣)

[lr00rl]

i have tried again only set up coc.nvim and copilot.lua in lazy, it still raise error for [UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//") and there are results in panel buffer:

 Synthesized 9/10 solutions (Duplicates hidden) [done]
[copilot] :id:: :score:0:

print("Hello, World!")
print("This is a test for Python code completion.")
print("Let's see how well it works.")

[copilot] :id:: :score:0:

# This is a test in python
print("Hello World")
print("This is a test in Python.")
print("Python is great for automation and scripting.")
print("Let's write some more code!")                                                                                                                                                                                                                                                      

copilot://// [RO]

nvim config init.lua:

-- Bootstrap lazy.nvim
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not (vim.uv or vim.loop).fs_stat(lazypath) then
  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
  local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
  if vim.v.shell_error ~= 0 then
    vim.api.nvim_echo({
      { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
      { out, "WarningMsg" },
      { "\nPress any key to exit..." },
    }, true, {})
    vim.fn.getchar()
    os.exit(1)
  end
end
vim.opt.rtp:prepend(lazypath)

vim.g.mapleader = "\\"
vim.g.maplocalleader = "\\"

-- Setup lazy.nvim
require("lazy").setup({
    spec = {
    { 'neoclide/coc.nvim', branch = 'release'},
    {
        "zbirenbaum/copilot.lua",
        cmd = "Copilot",
        event = "InsertEnter",
        config = function()
            require('copilot').setup({ })
        end,
    },
    },
    install = { colorscheme = { "habamax" } },
    checker = { enabled = true },
})

I think it might be: when trigger the panel:Refresh(), it connects copilot and coc lsp at the same time, while there is a format confilct in uri or something else.

If i comment out the coc plug, only enable copilot.lua, it works fine.

I will check coc.nvim plugin later, sorry for bothering you.

[lr00rl]

here is more info:
time after 2025-05-15T11:46:12.887 are actully error logs for copilot panel, before are correct.

2025-05-15T11:45:56.108 INFO (pid:388584) [util-fs] - URI#with({"$mid":1,"path":"/home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua","scheme":"file"})
2025-05-15T11:45:56.108 INFO (pid:388584) [util-fs] - URI#with({"$mid":1,"path":"/home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua","scheme":"file"}) path: /home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua
2025-05-15T11:45:56.208 INFO (pid:388584) [util-fs] - URI#with({"$mid":1,"path":"/home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua","scheme":"file"})
2025-05-15T11:45:56.208 INFO (pid:388584) [util-fs] - URI#with({"$mid":1,"path":"/home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua","scheme":"file"}) path: /home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua
---- <br>
2025-05-15T11:46:12.887 INFO (pid:388584) [util-fs] - URI#with({"$mid":1,"path":"//home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua","scheme":"copilot"})
2025-05-15T11:46:12.887 INFO (pid:388584) [util-fs] - URI#with({"$mid":1,"path":"//home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua","scheme":"copilot"}) path: //home/cdcd/roobli/cdxx0-dotfile/.config/nvim/init_debug.lua
2025-05-15T11:46:12.892 ERROR (pid:388584) [server] - unhandledRejection  Promise {
  �[36m<rejected>�[39m Error: [UriError]: If a URI does not contain an authority component, then the path cannot begin with two slash characters ("//")
      at s (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:26653:47)
      at new f (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:26677:85)
      at new l (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:26721:9)
      at f.parse (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:26689:25)
      at getUri (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:43861:36)
      at Document.init (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:44029:21)
      at new Document (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:43919:14)
      at Documents._createDocument (/home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:44953:19)
      at /home/cdcd/.local/share/nvim/lazy/coc.nvim/build/index.js:44935:24
  �[90m    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)�[39m

(just ignore my home name, you can also call me cd. 🤣

i added logger3.info here:

to view the source you can just visit here and Ctrl+f find "[UriError]:"

[Guilherhast]

I edited the file: ~/.local/share/nvim/site/pack/packer/opt/copilot.lua/lua/copilot/panel/utils.lua:

local panel_uri_prefix = "copilot:///"

To

local panel_uri_prefix = "copilot://"

Maybe it will only work on Linux.

[AntoineGS]

I think this will break other things, would you mind adding a print to the two functions in panel/utils.lua and sending me the outputs like this?
There is probably a specific input that yields an incorrect URI but I cannot figure out what it is.

local M = {}

local panel_uri_prefix = "copilot:///"

---@return string panelUri
function M.panel_uri_from_doc_uri(doc_uri)
  vim.print("doc_uri: " .. doc_uri)
  return panel_uri_prefix .. vim.fs.normalize(vim.uri_to_fname(doc_uri))
end

---@return string doc_uri
function M.panel_uri_to_doc_uri(panel_uri)
  vim.print("panel_uri: " .. panel_uri)
  return panel_uri:gsub("^" .. panel_uri_prefix, "file:///")
end

---@param bufname string
function M.is_panel_uri(bufname)
  return bufname:sub(1, #panel_uri_prefix) == panel_uri_prefix
end

return M

Update:
Nevermind I think I was able to replicate it!

[AntoineGS]

Let me know if the change fixes it!

[lr00rl]

I edited the file: ~/.local/share/nvim/site/pack/packer/opt/copilot.lua/lua/copilot/panel/utils.lua:

local panel_uri_prefix = "copilot:///"
To

local panel_uri_prefix = "copilot://"
Maybe it will only work on Linux.

that works for me. thanks!

[AntoineGS]

Did the latest version fix it?