{"record":{"id":"1633fc0396652b43","repo":"neoclide/coc.nvim","slug":"id-provider-not-found-for-current-buffer-your","errorCode":null,"errorMessage":"${id} provider not found for current buffer, your language server doesn't support it.","messagePattern":"(.+?) provider not found for current buffer, your language server doesn't support it\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/handler/index.ts","lineNumber":237,"sourceCode":"    let doc = workspace.getAttachedDocument(bufnr)\n    return {\n      doc,\n      mode,\n      position: Position.create(line, character),\n      winid\n    }\n  }\n\n  public addDisposable(disposable: Disposable): void {\n    this.disposables.push(disposable)\n  }\n\n  /**\n   * Throw error when provider doesn't exist.\n   */\n  public checkProvider(id: ProviderName, document: TextDocumentMatch): void {\n    if (!languages.hasProvider(id, document)) {\n      throw new Error(`${id} provider not found for current buffer, your language server doesn't support it.`)\n    }\n  }\n\n  public async withRequestToken<T>(name: string, fn: (token: CancellationToken) => Thenable<T>, checkEmpty?: boolean): Promise<T | null> {\n    if (this.requestTokenSource) {\n      this.requestTokenSource.cancel()\n      this.requestTokenSource.dispose()\n    }\n    clearTimeout(this.requestTimer)\n    let statusItem = this.requestStatusItem\n    let tokenSource = new CancellationTokenSource()\n    this.requestTokenSource = tokenSource\n    let { token } = tokenSource\n    token.onCancellationRequested(() => {\n      statusItem.text = `${name} request canceled`\n      statusItem.isProgress = false\n      this.requestTimer = setTimeout(() => {\n        statusItem.hide()","sourceCodeStart":219,"sourceCodeEnd":255,"githubUrl":"https://github.com/neoclide/coc.nvim/blob/50e974d9692461a69147d5cab146a8d3e439abe4/src/handler/index.ts#L219-L255","documentation":"checkProvider throws this when the requested LSP feature (hover, definition, etc.) has no registered provider for the current buffer's document. It's a guard so callers get a clear message instead of a silent no-op.","triggerScenarios":"Any handler method that first calls checkProvider(id, document) — hover, definition, references, rename, etc. — executed in a buffer whose filetype/language server does not declare that capability.","commonSituations":"Invoking CocAction on a filetype with no attached language server; server attached but lacking the specific capability (e.g. no renameProvider); misconfigured languageserver filetype in coc-settings.json.","solutions":["Install/configure a language server for the buffer's filetype (e.g. via :CocConfig languageserver entry)","Verify the server supports the feature (capabilities) and update it if not","Check the filetype is correctly detected (:set ft?) and matches the languageserver configuration"],"exampleFix":"// before\n// .txt buffer, calling CocAction hover\n// after (coc-settings.json)\n{ \"languageserver\": { \"txt\": { \"command\": \"ltex-ls\", \"filetypes\": [\"text\"] } } }","handlingStrategy":"try-catch","validationCode":"// ensure a language server is attached for the filetype before feature calls\nconst attached = await nvim.call('coc#util#has_provider', [feature]); // or check languageserver config covers current ft","typeGuard":null,"tryCatchPattern":"try {\n  await handler.checkProvider('definition', document);\n} catch (e) {\n  if (String(e.message).includes('provider not found for current buffer')) {\n    console.warn(`Feature unavailable: install/configure a language server for &ft=${document.filetype}`);\n    return;\n  }\n  throw e;\n}","preventionTips":["Configure languageserver entries for all edited filetypes","Check server capabilities before advertising features","Verify filetype detection matches languageserver filetypes list"],"tags":["lsp","provider-missing","capability"],"backgroundTag":"provider-not-supported","analyzedSha":"50e974d9692461a69147d5cab146a8d3e439abe4","analyzedAt":"2026-08-31T11:17:23.966Z","schemaVersion":2},"datasetVersion":"2026-09-01T08:17:40.651Z"}