TS Server fatal error: Cannot read property 'length' of undefined

gbatori commented 4 years ago

Issue Type: Bug

TypeScript Version: 3.8.3 Steps to reproduce crash 1. 2. 3. TS Server Error Stack

TypeError: Cannot read property 'length' of undefined
    at createSourceFile (tsserver.js:19148:110)
    at Object.parseJsonText (tsserver.js:18972:26)
    at Object.parseJsonText (tsserver.js:18793:23)
    at ProjectService.loadConfiguredProject (tsserver.js:142258:33)
    at ProjectService.reloadConfiguredProject (tsserver.js:142403:22)
    at ConfiguredProject.updateGraph (tsserver.js:140650:45)
    at updateProjectIfDirty (tsserver.js:141076:45)
    at ProjectService.assignProjectToOpenedScriptInfo (tsserver.js:143114:29)
    at tsserver.js:143396:107
    at Object.mapDefined (tsserver.js:562:30)
    at ProjectService.applyChangesInOpenFiles (tsserver.js:143396:48)
    at Session.handlers.ts.createMapFromTemplate._a.<computed> (tsserver.js:144260:46)
    at tsserver.js:146003:88
    at IOSession.Session.executeWithRequestId (tsserver.js:145994:28)
    at IOSession.Session.executeCommand (tsserver.js:146003:33)
    at IOSession.Session.onMessage (tsserver.js:146027:35)
    at Interface.<anonymous> (tsserver.js:147342:27)
    at Interface.emit (events.js:203:13)
    at Interface._onLine (readline.js:316:10)
    at Interface._normalWrite (readline.js:461:12)
    at Socket.ondata (readline.js:172:10)
    at Socket.emit (events.js:203:13)
    at addChunk (_stream_readable.js:295:12)
    at readableAddChunk (_stream_readable.js:276:11)
    at Socket.Readable.push (_stream_readable.js:210:10)
    at Pipe.onStreamRead (internal/stream_base_commons.js:166:17)

VS Code version: Code 1.44.0 (2aae1f26c72891c399f860409176fe435a154b13, 2020-04-07T23:31:18.860Z) OS version: Windows_NT x64 10.0.17763

System Info

|Item|Value| |---|---| |CPUs|Intel(R) Core(TM) i7-4810MQ CPU @ 2.80GHz (8 x 2794)| |GPU Status|2d_canvas: enabled
flash_3d: enabled
flash_stage3d: enabled
flash_stage3d_baseline: enabled
gpu_compositing: enabled
multiple_raster_threads: enabled_on
oop_rasterization: disabled_off
protected_video_decode: unavailable_off
rasterization: enabled
skia_renderer: disabled_off_ok
video_decode: enabled
viz_display_compositor: enabled_on
viz_hit_test_surface_layer: disabled_off_ok
webgl: enabled
webgl2: enabled| |Load (avg)|undefined| |Memory (System)|15.91GB (4.88GB free)| |Process Argv|| |Screen Reader|no| |VM|0%|

Extensions (18)

Extension|Author (truncated)|Version ---|---|--- vscode-css-formatter|aes|1.0.1 copy-relative-path|ale|0.0.2 flutter-snippets|ale|2.0.0 vscode-add-nativescript-files|ale|1.0.1 angular-schematics|cyr|4.0.1 dart-code|Dar|3.9.1 flutter|Dar|3.9.1 gitlens|eam|10.2.1 bloc|Fel|3.4.0 vscode-jest-runner|fir|0.4.15 pubspec-assist|jer|0.3.6 remote-wsl|ms-|0.44.2 vscode-typescript-tslint-plugin|ms-|1.2.3 vsliveshare|ms-|1.0.1947 awesome-flutter-snippets|Nas|2.0.3 vetur|oct|0.24.0 nativescript-extend|Pau|2.11.10 nativescript|Tel|0.11.0

vscodebot[bot] commented 4 years ago

(Experimental duplicate detection) Thanks for submitting this issue. Please also check if it is already covered by an existing one, like:

mjbvz commented 4 years ago

Duplicate of https://github.com/microsoft/TypeScript/issues/30005

microsoft / vscode

TS Server fatal error: Cannot read property 'length' of undefined #95304