:LspRestart - `Error Executing vim.schedule`

[JustBarnt]

:LspRestart - `Error Executing vim.schedule`

[glepnir]

there already provide a min test file https://github.com/neovim/nvim-lspconfig/blob/master/test/minimal_init.lua you can try it :) no worry

[ZacharyRizer]

I am getting the exact same error on :LspRestart. Was about to post the same thing.

[glepnir]

emm could you provide a min config and reproduce step i just give it a try no error through.

[JustBarnt]

@glepnir Yes. My bad. I can set a note to provide a minimal start point tonight when I get home from work.

[ZacharyRizer]

I tried with the minimal config above and did not see the error on :LspRestart. I experimented with my lsp-config setup and found that when I removed the onAttach autocommand it did not give me the error. But with the on attach autocommand it did.

So this config gave the error:

return {
	"neovim/nvim-lspconfig",
	event = { "BufReadPre", "BufNewFile" },
	dependencies = { "hrsh7th/cmp-nvim-lsp" },
	config = function()
		local lspconfig = require("lspconfig")

		vim.api.nvim_create_autocmd("LspAttach", {
			group = vim.api.nvim_create_augroup("Lsp_Custom_Attach", {}),
			callback = function(_, bufnr)
				local opts = { buffer = bufnr }

				vim.keymap.set("n", "gr", ":Telescope lsp_references<CR>", opts)
				vim.keymap.set("n", "gd", ":Telescope lsp_definitions<CR>", opts)
				vim.keymap.set("n", "gi", ":Telescope lsp_implementations<CR>", opts)
				vim.keymap.set("n", "gt", ":Telescope lsp_type_definitions<CR>", opts)
				vim.keymap.set("n", "<Leader>a", vim.lsp.buf.code_action, opts)
				vim.keymap.set("n", "<Leader>d", ":Telescope diagnostics bufnr=0<CR>", opts)
				vim.keymap.set("n", "<Leader>s", ":Telescope lsp_document_symbols<CR>", opts)
				vim.keymap.set("n", "<Leader>rn", vim.lsp.buf.rename, opts)
				vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, opts)
				vim.keymap.set("n", "]d", vim.diagnostic.goto_next, opts)
				vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)

				local virtual_text_enabled = false
				vim.keymap.set("n", "<Leader>td", function()
					virtual_text_enabled = not virtual_text_enabled
					vim.diagnostic.config({
						virtual_text = virtual_text_enabled,
					})
				end, opts)
				vim.keymap.set("n", "<Leader>th", function()
					vim.lsp.inlay_hint.enable(0, not vim.lsp.inlay_hint.is_enabled())
				end, opts)
			end,
		})

		local signs = { Error = " ", Warn = " ", Hint = "󰠠 ", Info = " " }
		for type, icon in pairs(signs) do
			local hl = "DiagnosticSign" .. type
			vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
		end

		require("lspconfig.ui.windows").default_options = { border = "rounded" }
		vim.diagnostic.config({
			float = { border = "rounded" },
			severity_sort = true,
			update_in_insert = true,
			virtual_text = false,
		})
		vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, { border = "rounded" })
		vim.lsp.handlers["textDocument/signatureHelp"] =
			vim.lsp.with(vim.lsp.handlers.signature_help, { border = "rounded" })

		--------------- SERVER CONFIGURATIONS ---------------
		local capabilities = require("cmp_nvim_lsp").default_capabilities()

		lspconfig.cssls.setup({ capabilities = capabilities })
		lspconfig.html.setup({ capabilities = capabilities })
		lspconfig.hls.setup({
			capabilities = capabilities,
			settings = {
				haskell = {
					formattingProvider = "fourmolu",
				},
			},
		})
		lspconfig.jsonls.setup({ capabilities = capabilities })
		lspconfig.lua_ls.setup({
			capabilities = capabilities,
			settings = {
				Lua = {
					diagnostics = { globals = { "hs", "vim" } },
				},
			},
		})
		lspconfig.pyright.setup({ capabilities = capabilities })
		lspconfig.rust_analyzer.setup({ capabilities = capabilities })
		lspconfig.tsserver.setup({ capabilities = capabilities })
	end,
}

And this one worked fine:

return {
	"neovim/nvim-lspconfig",
	event = { "BufReadPre", "BufNewFile" },
	dependencies = { "hrsh7th/cmp-nvim-lsp" },
	config = function()
		local lspconfig = require("lspconfig")

		local on_attach = function(_, bufnr)
			local opts = { buffer = bufnr }

			vim.keymap.set("n", "gr", ":Telescope lsp_references<CR>", opts)
			vim.keymap.set("n", "gd", ":Telescope lsp_definitions<CR>", opts)
			vim.keymap.set("n", "gi", ":Telescope lsp_implementations<CR>", opts)
			vim.keymap.set("n", "gt", ":Telescope lsp_type_definitions<CR>", opts)
			vim.keymap.set("n", "<Leader>a", vim.lsp.buf.code_action, opts)
			vim.keymap.set("n", "<Leader>d", ":Telescope diagnostics bufnr=0<CR>", opts)
			vim.keymap.set("n", "<Leader>s", ":Telescope lsp_document_symbols<CR>", opts)
			vim.keymap.set("n", "<Leader>rn", vim.lsp.buf.rename, opts)
			vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, opts)
			vim.keymap.set("n", "]d", vim.diagnostic.goto_next, opts)
			vim.keymap.set("n", "K", vim.lsp.buf.hover, opts)

			local virtual_text_enabled = false
			vim.keymap.set("n", "<Leader>td", function()
				virtual_text_enabled = not virtual_text_enabled
				vim.diagnostic.config({
					virtual_text = virtual_text_enabled,
				})
			end, opts)
			vim.keymap.set("n", "<Leader>th", function()
				vim.lsp.inlay_hint.enable(0, not vim.lsp.inlay_hint.is_enabled())
			end, opts)
		end

		local signs = { Error = " ", Warn = " ", Hint = "󰠠 ", Info = " " }
		for type, icon in pairs(signs) do
			local hl = "DiagnosticSign" .. type
			vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
		end

		require("lspconfig.ui.windows").default_options = { border = "rounded" }
		vim.diagnostic.config({
			float = { border = "rounded" },
			severity_sort = true,
			update_in_insert = true,
			virtual_text = false,
		})
		vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, { border = "rounded" })
		vim.lsp.handlers["textDocument/signatureHelp"] =
			vim.lsp.with(vim.lsp.handlers.signature_help, { border = "rounded" })

		--------------- SERVER CONFIGURATIONS ---------------
		local capabilities = require("cmp_nvim_lsp").default_capabilities()

		lspconfig.cssls.setup({ capabilities = capabilities, on_attach = on_attach })
		lspconfig.html.setup({ capabilities = capabilities, on_attach = on_attach })
		lspconfig.hls.setup({
			capabilities = capabilities,
			on_attach = on_attach,
			settings = {
				haskell = {
					formattingProvider = "fourmolu",
				},
			},
		})
		lspconfig.jsonls.setup({ capabilities = capabilities, on_attach = on_attach })
		lspconfig.lua_ls.setup({
			capabilities = capabilities,
			on_attach = on_attach,
			settings = {
				Lua = {
					diagnostics = { globals = { "hs", "vim" } },
				},
			},
		})
		lspconfig.pyright.setup({ capabilities = capabilities, on_attach = on_attach })
		lspconfig.rust_analyzer.setup({ capabilities = capabilities, on_attach = on_attach })
		lspconfig.tsserver.setup({ capabilities = capabilities, on_attach = on_attach })
	end,
}

[JustBarnt]

@ZacharyRizer hmm that's odd I'll have to experiment as well because I'm doing the method you are now doing that doesn't give you there. My config has never used the LspAttach method for setting up my lsps.

[JustBarnt]

@glepnir I was also went through and re-wrote my LSP setup and that error was gone, unfortunately I still couldn't figure out why. So I'm just going to mark this as closed since for both of our cases it seemed to be related to how we were setting it up.