Uncaught Error: Angular JIT compilation failed: '@angular/compiler' not loaded!

Nov 12 2020 2517

After create a website in angular 9 but I got a problem. In some page I got the error Uncaught Error: Angular JIT compilation failed: '@angular/compiler' not loaded! but some pages are not thrown.

 ERROR Error: Uncaught (in promise): Error: Angular JIT compilation failed: '@angular/compiler' not loaded!
  - JIT compilation is discouraged for production use-cases! Consider AOT mode instead.
  - Did you bootstrap using '@angular/platform-browser-dynamic' or '@angular/platform-server'?
  - Alternatively provide the compiler with 'import "@angular/compiler";' before bootstrapping.
Error: Angular JIT compilation failed: '@angular/compiler' not loaded!
  - JIT compilation is discouraged for production use-cases! Consider AOT mode instead.
  - Did you bootstrap using '@angular/platform-browser-dynamic' or '@angular/platform-server'?
  - Alternatively provide the compiler with 'import "@angular/compiler";' before bootstrapping.

And below is my environment of the project:

 Angular CLI: 9.0.3
Node: 10.16.0
OS: win32 x64

Angular: 9.0.2
... animations, common, compiler, compiler-cli, core, forms
... language-service, localize, platform-browser
... platform-browser-dynamic, router
Ivy Workspace: Yes

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.900.3
@angular-devkit/build-angular     0.900.3
@angular-devkit/build-optimizer   0.900.3
@angular-devkit/build-webpack     0.900.3
@angular-devkit/core              9.0.3
@angular-devkit/schematics        9.0.3
@angular/cdk                      8.2.3
@angular/cli                      9.0.3
@angular/material                 8.2.3
@ngtools/webpack                  9.0.3
@schematics/angular               9.0.3
@schematics/update                0.900.3
rxjs                              6.5.4
typescript                        3.7.5
webpack                           4.41.2

I don't why, please tell me if you have any solution.

Have 2 answer(s) found.
  • M

    Marry Christ Nov 12 2020

    Update all the dependencies in your node_modules folder (This issue can be generated due to incompatibility of some dependency versions) run npm update in the project terminal to update all dependencies.

  • S

    Sandeep Kumar Nov 12 2020

    You can try the solution below:

    1. Set aot= true in angular.json file.

    2. Add "postinstall": "ngcc --properties es5 browser module main --first-only" in package.json file.

    3. Delete node_modules folder and package-lock.json file and install again by run command npm install.

     

    I hope it resolves the issue for you.

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