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Fixing "Error: spawn EBADF" in Angular 22.2 ng serve and ng test

calendar Monday, September 28, 2026
#how-to #angular 22 #angular cli #ng serve #ng test #error
spawn EBADF error in Angular 22.2 watch mode

After updating a project to Angular 22.2.0 you may see ng serve -o fail to open the browser, or ng test start in watch mode and run no tests at all. Both come with the same error: spawn EBADF.

The culprit is a single option in angular.json, and removing it fixes both.

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