Skip to content

Cannot read properties of undefined (reading 'close') #49961

@mjbvz

Description

@mjbvz

Bug Report

🔎 Search Terms

  • watcher
  • crash

🕗 Version & Regression Information

4.8.0-dev.20220711

Seems like a regression as I do not remember seeing this in TS 4.7

Details

When closing editors in VS Code, recently I've been seeing the following crash:

  ERR <semantic> TypeScript Server Error (4.8.0-dev.20220711)
Cannot read properties of undefined (reading 'close')
TypeError: Cannot read properties of undefined (reading 'close')
    at Object.close (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:6834:29)
    at Object.close (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:116840:29)
    at closeFileWatcherOf (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:116891:32)
    at Map.forEach (<anonymous>)
    at Object.clearMap (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:19668:13)
    at Object.clear (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:122531:16)
    at ConfiguredProject.Project.close (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:171446:38)
    at ConfiguredProject.close (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:172930:40)
    at ProjectService.removeProject (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:173991:25)
    at /Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:175861:86
    at Map.forEach (<anonymous>)
    at ProjectService.removeOrphanConfiguredProjects (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:175861:44)
    at ProjectService.cleanupAfterOpeningFile (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:175805:22)
    at ProjectService.applyChangesInOpenFiles (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:176009:26)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:177372:46)
    at /Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:179564:96
    at IpcIOSession.Session.executeWithRequestId (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:179555:28)
    at IpcIOSession.Session.executeCommand (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:179564:41)
    at IpcIOSession.Session.onMessage (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:179592:35)
    at process.<anonymous> (/Users/matb/projects/vscode/node_modules/typescript/lib/tsserver.js:183758:31)
    at process.emit (node:events:390:28)
    at emit (node:internal/child_process:917:12)
    at processTicksAndRejections (node:internal/process/task_queues:84:21): Error: <semantic> TypeScript Server Error (4.8.0-dev.20220711)

I can't repo this reliably but here's the complete log of a session the crashed (it's quite large)
tsserver.log.zip

Metadata

Metadata

Assignees

Labels

BugA bug in TypeScriptFix AvailableA PR has been opened for this issue

Type

No type

Projects

No projects

Relationships

None yet

Development

No branches or pull requests

Issue actions