Unhandled method when formatting HTML

If you are reporting a bug, please read following FAQ first. If you are requesting other types of issue, please ignore.

Did you upgrade to latest plugin version? Yes
Did you upgrade to/compile latest binary? Run shell command bin/languageclient --version to get its version number. Yes, I've used ":PlugUpdate": languageclient 0.1.94

(Neovim users only) Did you check output of :checkhealth LanguageClient? Yes

health#LanguageClient#check
========================================================================
- OK: binary found: /home/martijn/.config/nvim/plugged/LanguageClient-neovim/bin/languageclient
- OK: languageclient 0.1.94

Did you check [troubleshooting]? Yes

If you are still experiencing an issue, please create ticket with

Summary

When formatting an HTML file, neovim returns an Unhandled method error. However, https://github.com/vscode-langservers/vscode-html-languageserver-bin/blob/master/README.md describes that formatting is enabled.

Reproduction

neovim/vim version (nvim --version or vim --version):


NVIM v0.3.0
Build type: RelWithDebInfo
Lua 5.3
Compilation: /usr/bin/cc -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -Wconversion -Wp,-U_FORTIFY_SOURCE -Wp,-D_FORTIFY_SOURCE=1 -DNVIM_UNIBI_HAS_VAR_FROM -O2 -g -DMIN_LOG_LEVEL=3 -Og -g -Wall -Wextra -pedantic -Wno-unused-parameter -Wstrict-prototypes -std=gnu99 -Wimplicit-fallthrough -Wvla -fstack-protector-strong -fdiagnostics-color=auto -Wno-array-bounds -DINCLUDE_GENERATED_DECLARATIONS -D_GNU_SOURCE -I/builddir/build/BUILD/neovim-0.3.0/build/config -I/builddir/build/BUILD/neovim-0.3.0/src -I/usr/include -I/builddir/build/BUILD/neovim-0.3.0/build/src/nvim/auto -I/builddir/build/BUILD/neovim-0.3.0/build/include
Compiled by mockbuild

Features: +acl +iconv +jemalloc +tui See ":help feature-compile"

system vimrc file: "$VIM/sysinit.vim" fall-back for $VIM: "/usr/share/nvim"

Run :checkhealth for more info

- This plugin version (`git rev-parse --short HEAD`): `96079a7`
- This plugin's binary version (`bin/languageclient --version`): `languageclient 0.1.94 `
- Minimal vimrc content (A minimal vimrc is the smallest vimrc that could
  reproduce the issue. Refer to an example [here][min-init.vim]):

set hidden set signcolumn=yes

let g:LanguageClient_loggingFile = '/tmp/LanguageClient.log' let g:LanguageClient_loggingLevel = 'INFO' let g:LanguageClient_serverStderr = '/tmp/LanguageServer.log' let g:LanguageClient_autoStart = 1 let g:LanguageClient_serverCommands = {}

if executable('html-languageserver') let g:LanguageClient_serverCommands.html = ['html-languageserver', '--stdio'] " npm install -g vscode-html-languageserver-bin autocmd FileType html nnoremap f :call LanguageClient_textDocument_formatting() else echo "LSP: html-languageserver not installed!\n" endif


- Language server link and version:
- Steps to reproduce the issue from clean state
    1. **Open HTML file**
    2. **`:call LanguageClient_textDocument_formatting()`**
- Logs (Paste or attach log file content):

12:16:49 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["[!!get(g:, 'LanguageClient_autoStart', 1), get(g:, 'LanguageClient_serverCommands', {}), get(g:, 'LanguageClient_selectionUI', v:null), get(g:, 'LanguageClient_trace', v:null), get(g:, 'LanguageClient_settingsPath', '.vim/settings.json'), !!get(g:, 'LanguageClient_loadSettings', 1), get(g:, 'LanguageClient_rootMarkers', v:null), get(g:, 'LanguageClient_changeThrottle', v:null), get(g:, 'LanguageClient_waitOutputTimeout', v:null), !!get(g:, 'LanguageClient_diagnosticsEnable', 1), get(g:, 'LanguageClient_diagnosticsList', 'Quickfix'), get(g:, 'LanguageClient_diagnosticsDisplay', {}), get(g:, 'LanguageClient_windowLogMessageLevel', 'Warning'), get(g:, 'LanguageClient_hoverPreview', 'Auto'), get(g:, 'LanguageClient_completionPreferTextEdit', 0), has('nvim')]"],"id":4} 12:16:49 INFO reader-main src/vim.rs:386 <= None {"id": 4, "jsonrpc": "2.0", "result": [1, {"c": ["clangd"], "json": ["json-languageserver", "--stdio"], "javascript": ["javascript-typescript-stdio"], "html": ["html-languageserver", "--stdio"], "cpp": ["clangd"], "css": ["css-languageserver", "--stdio"], "python": ["docker-langserver", "--stdio"]}, null, null, ".vim/settings.json", 1, null, null, null, 1, "Quickfix", {}, "Warning", "Auto", 0, 1]} 12:16:49 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["[get(g:, 'LanguageClient_diagnosticsSignsMax', v:null)]"],"id":5} 12:16:49 INFO reader-main src/vim.rs:386 <= None {"id": 5, "jsonrpc": "2.0", "result": [null]} 12:16:49 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["get(g:, 'loaded_fzf')"],"id":6} 12:16:49 INFO reader-main src/vim.rs:386 <= None {"id": 6, "jsonrpc": "2.0", "result": 1} 12:16:49 INFO main src/languageclient.rs:2538 End languageClient/startServer 12:16:49 INFO main src/languageclient.rs:219 Define signs 12:16:49 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"execute","params":["echo | execute 'sign define LanguageClientHint text=➤ texthl=ALEInfoSign' | execute 'sign define LanguageClientWarning text=⚠ texthl=ALEWarningSign' | execute 'sign define LanguageClientError text=✖ texthl=ALEErrorSign' | execute 'sign define LanguageClientInformation text=ℹ texthl=ALEInfoSign'"],"id":7} 12:16:49 INFO reader-main src/vim.rs:386 <= None {"id": 7, "jsonrpc": "2.0", "result": 0} 12:16:49 INFO main src/languageclient.rs:233 Define signs 12:16:49 INFO main src/languageclient.rs:654 Begin initialize 12:16:49 INFO main src/languageclient.rs:46 gather_args: [LanguageId, Filename] = [String("html"), String("/home/martijn/Desktop/test.html")] 12:16:49 INFO main src/languageclient.rs:29 Some arguments are not available. Requesting from vim. Keys: ["rootPath", "hasSnippetSupport"]. Exps: ["v:null", "s:hasSnippetSupport()"] 12:16:49 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["[v:null, s:hasSnippetSupport()]"],"id":8} 12:16:49 INFO reader-main src/vim.rs:386 <= None {"id": 8, "jsonrpc": "2.0", "result": [null, 0]} 12:16:49 INFO main src/languageclient.rs:46 gather_args: [("rootPath", "v:null"), ("hasSnippetSupport", "s:hasSnippetSupport()")] = [Null, Number(0)] 12:16:49 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"s:Echomsg","params":["LanguageClient project root: /home/martijn"],"id":9} 12:16:49 INFO reader-main src/vim.rs:386 <= None {"id": 9, "jsonrpc": "2.0", "result": 0} 12:16:49 INFO main src/languageclient.rs:674 Project root: /home/martijn 12:16:49 WARN main src/languageclient.rs:681 Failed to get initializationOptions: No such file or directory (os error 2) 12:16:49 INFO main src/vim.rs:90 => Some("html") {"jsonrpc":"2.0","method":"initialize","params":{"capabilities":{"textDocument":{"completion":{"completionItem":{"snippetSupport":false}}},"workspace":{"applyEdit":true,"didChangeWatchedFiles":{"dynamicRegistration":true}}},"processId":32266,"rootPath":"/home/martijn","rootUri":"file:///home/martijn","trace":"off"},"id":10} 12:16:50 INFO reader-html src/vim.rs:386 <= Some("html") {"jsonrpc":"2.0","id":10,"result":{"capabilities":{"textDocumentSync":1,"hoverProvider":true,"documentHighlightProvider":true,"documentRangeFormattingProvider":false,"documentLinkProvider":{"resolveProvider":false},"documentSymbolProvider":true,"definitionProvider":true,"signatureHelpProvider":{"triggerCharacters":["("]},"referencesProvider":true,"colorProvider":{},"foldingRangeProvider":true}}} 12:16:50 INFO main src/languageclient.rs:733 End initialize 12:16:50 INFO main src/languageclient.rs:511 Begin register NCM source 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["exists('g:cm_matcher')"],"id":11} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 11, "jsonrpc": "2.0", "result": 0} 12:16:50 INFO main src/languageclient.rs:744 Begin initialized 12:16:50 INFO main src/languageclient.rs:46 gather_args: [LanguageId] = [String("html")] 12:16:50 INFO main src/vim.rs:90 => Some("html") {"jsonrpc":"2.0","method":"initialized","params":{}} 12:16:50 INFO main src/languageclient.rs:751 End initialized 12:16:50 WARN main src/languageclient.rs:2554 Failed to get workspace settings: No such file or directory (os error 2) 12:16:50 INFO main src/languageclient.rs:1516 Begin textDocument/didOpen 12:16:50 INFO main src/languageclient.rs:29 Some arguments are not available. Requesting from vim. Keys: ["text"]. Exps: ["LSP#text()"] 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["[LSP#text()]"],"id":12} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 12, "jsonrpc": "2.0", "result": [["<!DOCTYPE html>", "", "", "<meta charset=\"UTF-8\">", "Title of the document", "", "", "", "Content of the document......", "", "", "", ""]]} 12:16:50 INFO main src/languageclient.rs:46 gather_args: [Buftype, LanguageId, Filename, Text] = [String(""), String("html"), String("/home/martijn/Desktop/test.html"), Array([String("<!DOCTYPE html>"), String(""), String(""), String("<meta charset=\"UTF-8\">"), String("Title of the document"), String(""), String(""), String(""), String("Content of the document......"), String(""), String(""), String(""), String("")])] 12:16:50 INFO main src/vim.rs:90 => Some("html") {"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"languageId":"html","text":"<!DOCTYPE html>\n\n\n<meta charset=\"UTF-8\">\nTitle of the document\n\n\n\nContent of the document......\n\n\n\n","uri":"file:///home/martijn/Desktop/test.html","version":0}}} 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"execute","params":["setlocal omnifunc=LanguageClient#complete"],"id":13} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 13, "jsonrpc": "2.0", "result": 0} 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"s:ExecuteAutocmd","params":["LanguageClientBufReadPost"],"id":14} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 14, "jsonrpc": "2.0", "result": 0} 12:16:50 INFO main src/languageclient.rs:1555 End textDocument/didOpen 12:16:50 INFO main src/languageclient.rs:1560 Begin textDocument/didChange 12:16:50 INFO main src/languageclient.rs:46 gather_args: [Buftype, LanguageId, Filename] = [String(""), String("html"), String("/home/martijn/Desktop/test.html")] 12:16:50 INFO main src/languageclient.rs:29 Some arguments are not available. Requesting from vim. Keys: ["text"]. Exps: ["LSP#text()"] 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["[LSP#text()]"],"id":15} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 15, "jsonrpc": "2.0", "result": [["<!DOCTYPE html>", "", "", "<meta charset=\"UTF-8\">", "Title of the document", "", "", "", "Content of the document......", "", "", "", ""]]} 12:16:50 INFO main src/languageclient.rs:46 gather_args: [Text] = [Array([String("<!DOCTYPE html>"), String(""), String(""), String("<meta charset=\"UTF-8\">"), String("Title of the document"), String(""), String(""), String(""), String("Content of the document......"), String(""), String(""), String(""), String("")])] 12:16:50 INFO main src/languageclient.rs:1584 Texts equal. Skipping didChange. 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"s:ExecuteAutocmd","params":["LanguageClientStarted"],"id":16} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 16, "jsonrpc": "2.0", "result": 0} 12:16:50 INFO main src/languageclient.rs:1975 End languageClient/handleBufReadPost 12:16:50 INFO main src/languageclient.rs:2032 Begin languageClient/handleCursorMoved 12:16:50 INFO main src/languageclient.rs:46 gather_args: [Buftype, Filename, Line] = [String(""), String("/home/martijn/Desktop/test.html"), Number(0)] 12:16:50 INFO main src/languageclient.rs:1980 Begin languageClient/handleTextChanged 12:16:50 INFO main src/languageclient.rs:46 gather_args: [Buftype, Filename] = [String(""), String("/home/martijn/Desktop/test.html")] 12:16:50 INFO main src/languageclient.rs:1560 Begin textDocument/didChange 12:16:50 INFO main src/languageclient.rs:46 gather_args: [Buftype, LanguageId, Filename] = [String(""), String("html"), String("/home/martijn/Desktop/test.html")] 12:16:50 INFO main src/languageclient.rs:29 Some arguments are not available. Requesting from vim. Keys: ["text"]. Exps: ["LSP#text()"] 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["[LSP#text()]"],"id":17} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 17, "jsonrpc": "2.0", "result": [["<!DOCTYPE html>", "", "", "<meta charset=\"UTF-8\">", "Title of the document", "", "", "", "Content of the document......", "", "", "", ""]]} 12:16:50 INFO main src/languageclient.rs:46 gather_args: [Text] = [Array([String("<!DOCTYPE html>"), String(""), String(""), String("<meta charset=\"UTF-8\">"), String("Title of the document"), String(""), String(""), String(""), String("Content of the document......"), String(""), String(""), String(""), String("")])] 12:16:50 INFO main src/languageclient.rs:1584 Texts equal. Skipping didChange. 12:16:50 INFO main src/languageclient.rs:2005 End languageClient/handleTextChanged 12:16:50 INFO reader-html src/vim.rs:386 <= Some("html") {"jsonrpc":"2.0","method":"textDocument/publishDiagnostics","params":{"uri":"file:///home/martijn/Desktop/test.html","diagnostics":[]}} 12:16:50 INFO main src/languageclient.rs:1674 Begin textDocument/publishDiagnostics 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"setqflist","params":[[],"r"],"id":18} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 18, "jsonrpc": "2.0", "result": 0} 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["LSP#filename()"],"id":19} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 19, "jsonrpc": "2.0", "result": "/home/martijn/Desktop/test.html"} 12:16:50 INFO main src/languageclient.rs:394 Command to update signs: echo 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"execute","params":["echo"],"id":20} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 20, "jsonrpc": "2.0", "result": 0} 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"nvim_buf_add_highlight","params":[0,0,"Error",1,1,1],"id":21} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 21, "jsonrpc": "2.0", "result": 1} 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"nvim_buf_clear_highlight","params":[0,1,1,-1],"id":22} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 22, "jsonrpc": "2.0", "result": null} 12:16:50 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"s:ExecuteAutocmd","params":["LanguageClientDiagnosticsChanged"],"id":23} 12:16:50 INFO reader-main src/vim.rs:386 <= None {"id": 23, "jsonrpc": "2.0", "result": 0} 12:16:50 INFO main src/languageclient.rs:1708 End textDocument/publishDiagnostics 12:16:52 INFO reader-main src/vim.rs:386 <= None {"id": 1, "jsonrpc": "2.0", "method": "textDocument/formatting", "params": {"character": 0, "handle": true, "languageId": "html", "line": 0, "buftype": "", "text": ["<!DOCTYPE html>", "", "", "<meta charset=\"UTF-8\">", "Title of the document", "", "", "", "Content of the document......", "", "", "", ""], "filename": "/home/martijn/Desktop/test.html"}} 12:16:52 INFO main src/languageclient.rs:1560 Begin textDocument/didChange 12:16:52 INFO main src/languageclient.rs:46 gather_args: [Buftype, LanguageId, Filename] = [String(""), String("html"), String("/home/martijn/Desktop/test.html")] 12:16:52 INFO main src/languageclient.rs:46 gather_args: [Text] = [Array([String("<!DOCTYPE html>"), String(""), String(""), String("<meta charset=\"UTF-8\">"), String("Title of the document"), String(""), String(""), String(""), String("Content of the document......"), String(""), String(""), String(""), String("")])] 12:16:52 INFO main src/languageclient.rs:1584 Texts equal. Skipping didChange. 12:16:52 INFO main src/languageclient.rs:1264 Begin textDocument/formatting 12:16:52 INFO main src/languageclient.rs:46 gather_args: [Buftype, LanguageId, Filename, Handle] = [String(""), String("html"), String("/home/martijn/Desktop/test.html"), Bool(true)] 12:16:52 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","method":"eval","params":["[shiftwidth(), &expandtab]"],"id":24} 12:16:52 INFO reader-main src/vim.rs:386 <= None {"id": 24, "jsonrpc": "2.0", "result": [4, 1]} 12:16:52 INFO main src/vim.rs:90 => Some("html") {"jsonrpc":"2.0","method":"textDocument/formatting","params":{"options":{"insertSpaces":true,"tabSize":4},"textDocument":{"uri":"file:///home/martijn/Desktop/test.html"}},"id":25} 12:16:52 INFO reader-html src/vim.rs:386 <= Some("html") {"jsonrpc":"2.0","id":25,"error":{"code":-32601,"message":"Unhandled method textDocument/formatting"}} 12:16:52 ERROR main src/vim.rs:57 Error handling message: Unhandled method textDocument/formatting

Message: {"jsonrpc":"2.0","method":"textDocument/formatting","params":{"buftype":"","character":0,"filename":"/home/martijn/Desktop/test.html","handle":true,"languageId":"html","line":0,"text":["<!DOCTYPE html>","","","<meta charset=\"UTF-8\">","Title of the document","","","","Content of the document......","","","",""]},"id":1}

Error: ErrorMessage { msg: "Unhandled method textDocument/formatting" } 12:16:52 INFO main src/vim.rs:90 => None {"jsonrpc":"2.0","error":{"code":-32603,"message":"Unhandled method textDocument/formatting"},"id":1}



## Current Behavior
Formatting in HTML mode returns the following error: `Unhandled method textDocument/formatting `

## Expected Behavior
Formatting in HTML mode formats the HTML in the buffer

> Please understand the more detailed information provided, the sooner a issue
could be resolved. Low quality bug reports might be closed directly.)

[troubleshooting]: https://github.com/autozimu/LanguageClient-neovim/blob/next/INSTALL.md#6-troubleshooting
[min-init.vim]: https://github.com/autozimu/LanguageClient-neovim/blob/next/min-init.vim

autozimu / LanguageClient-neovim