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

[Diffffy]

Issue Type: Bug

❗️❗️❗️ Please fill in the sections below to help us diagnose the issue ❗️❗️❗️

TypeScript Version: 4.4.0-dev.20210715

Steps to reproduce crash
1.
2.
3.

TS Server Log
❗️Server logging disabled. To help us fix crashes like this, please enable logging by setting:

"typescript.tsserver.log": "verbose"

After enabling this setting, future crash reports will include the server log.

TS Server Error Stack
Server: semantic

TypeError: Cannot read property 'getSourceFile' of undefined
    at Function.AutoImportProviderProject.getRootFileNames (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:162015:38)
    at Function.AutoImportProviderProject.create (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:162040:38)
    at ConfiguredProject.Project.getPackageJsonAutoImportProvider (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:161845:77)
    at ConfiguredProject.Project.updateGraph (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:161268:26)
    at ConfiguredProject.updateGraph (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:162209:63)
    at ProjectService.createLoadAndUpdateConfiguredProject (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:163933:25)
    at ProjectService.assignProjectToOpenedScriptInfo (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:165014:44)
    at c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:165354:97
    at Object.flatMap (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:519:25)
    at ProjectService.applyChangesInOpenFiles (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:165354:41)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:166512:46)
    at c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:168443:88
    at IOSession.Session.executeWithRequestId (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:168434:28)
    at IOSession.Session.executeCommand (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:168443:33)
    at IOSession.Session.onMessage (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:168469:35)
    at Interface.<anonymous> (c:\Users\icecheck\.vscode\extensions\ms-vscode.vscode-typescript-next-4.4.20210715\node_modules\typescript\lib\tsserver.js:171068:31)
    at Interface.emit (events.js:315:20)
    at Interface._onLine (readline.js:337:10)
    at Interface._normalWrite (readline.js:482:12)
    at Socket.ondata (readline.js:194:10)
    at Socket.emit (events.js:315:20)
    at addChunk (internal/streams/readable.js:309:12)
    at readableAddChunk (internal/streams/readable.js:284:9)
    at Socket.Readable.push (internal/streams/readable.js:223:10)
    at Pipe.onStreamRead (internal/stream_base_commons.js:188:23)

VS Code version: Code 1.58.2 (c3f126316369cd610563c75b1b1725e0679adfb3, 2021-07-14T22:10:15.214Z)
OS version: Windows_NT x64 10.0.19043
Restricted Mode: No

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-10700K CPU @ 3.80GHz (16 x 3792)
GPU Status	2d_canvas: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on oop_rasterization: enabled opengl: enabled_on rasterization: enabled skia_renderer: enabled_on video_decode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	31.85GB (16.37GB free)
Process Argv	--crash-reporter-id 481068de-8222-4dc2-84d6-6d939c361c77
Screen Reader	no
VM	67%

Extensions (17)

Extension	Author (truncated)	Version
open-html-in-browser	cod	0.1.21
bracket-pair-colorizer-2	Coe	0.2.1
vscode-eslint	dba	2.1.23
docs-markdown	doc	0.2.95
gitlens	eam	11.6.0
vscode-html-css	ecm	1.10.2
EditorConfig	Edi	0.16.4
auto-close-tag	for	0.5.11
auto-complete-tag	for	0.1.0
auto-rename-tag	for	0.1.7
vscode-language-pack-zh-hans	MS-	1.58.8
vscode-typescript-next	ms-	4.4.20210715
vscode-css-peek	pra	4.2.0
code-spell-checker	str	1.10.2
tabnine-vscode	Tab	3.4.14
vue	Wsc	1.0.26
vue-language-features	znc	0.7.6

(1 theme extensions excluded)

[vscodebot]

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

• TS Server fatal error: Cannot read property 'length' of undefined (#127914)
• TS Server fatal error: Cannot read property 'length' of undefined (#125473)
• TS Server fatal error: Debug Failure. False expression: (#124377)
• TS Server fatal error: Debug Failure. False expression. (#128231)
• TS Server fatal error: Debug Failure. False expression. (#125945)

[andrewbranch]

Duplicate of #44849.

@Diffffy, can you share the project you were working on when you submitted this report?

[Diffffy]

hi,these days I find out that this problem was coused by this plug "VueDX" ,check out on this wensite https://marketplace.visualstudio.com/items?itemName=znck.vue-language-features.
It could be a conflict caused by this plugin，"VueDx".

[andrewbranch]

@Diffffy how did you discover that?

[Diffffy]

first I have disable all plugs just in case, then I enable anyother plugs except “VueDx” and open a .vue file, everything is so far so good. only if I enable this plug .

[andrewbranch]

Does the crash happen as soon as you open any Vue file? I tried installing that extension and poking around a Vue starter template, but I couldn’t get it to crash. At any rate, it should be fixed with #45126. You can try the JS/TS nightly extension if you want.

[typescript-bot]

This issue has been marked as a 'Duplicate' and has seen no recent activity. It has been automatically closed for house-keeping purposes.