'Spawning language server with cmd`diagnostic-languageserver`failed. The language server is either not installed, missing from PATH, or not executable

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" Spawning language server with cmd: diagnostic-languageserver failed. The language server is either not installed, missing from PATH, or not executable "

nvim problem i copied devaslife's dotfiles and installed plugin yesterday it work, but today i entered LSP info after that when i Enter shows that the error



Solution 1:[1]

Use this:

yarn global add diagnostic-languageserver

Solution 2:[2]

Probably, it's because you have not set up the right programming language that you are using in the lspconfig.rc.vim, precisely in the nvim_lsp.tsserver.setup part.

I had the same problem because I was in javascript file (.js) and the lsp config that I was using from someone else only supports typescript files. So, I just had to add the javascript, javascriptreact and javascript.jsx. For example :

nvim_lsp.tsserver.setup {
  on_attach = on_attach,
  filetypes = { "typescript", "typescriptreact", "typescript.tsx", "javascript", "javascriptreact", "javascript.jsx" },
  capabilities = capabilities
}

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Adrian Mole
Solution 2 cigien