[Resolved] “AssignProcessToJobObject: (6) The Handle is Invalid” Error in Node.js

If you’re working on an Angular application and you’re trying to serve the application using the Node.js command “npm start” or “ng serve”, you may encounter an error message that says “AssignProcessToJobObject: (6) The handle is invalid.” This error is usually caused by a problem with the Node.js installation or the system’s job object. In this blog post, we’ll go through a few steps you can try to resolve the issue.

 

Step 1: Check your Node.js version

The first step is to make sure that you have the latest version of Node.js installed on your machine. You can check your current version by running the command “node -v” in the terminal. If you find that you have an outdated version of Node.js, you should update it to the latest version.

 

Step 2: Reinstall Node.js

If you’ve checked your Node.js version and you’re still encountering the error, you can try reinstalling Node.js on your machine. Uninstall Node.js from your machine, and then reinstall it. This can help resolve any issues with the installation.

 

Step 3: Run the command as an administrator

Another thing you can try is running the “npm start” or “ng serve” command as an administrator. To do this, right-click the command prompt or terminal and select “Run as administrator.”

 

Step 4: Check your system’s job object

The error message “AssignProcessToJobObject” suggests that there is an issue with the system’s job object. Try running the command “net start jobobject” in the Command Prompt to check the status of the job object service. If the service is not running, start it by running the command “net start jobobject”.

 

Step 5: Clear the npm cache

Clearing the npm cache can also help resolve issues with corrupted cache data. To clear the npm cache, run the command “npm cache clean –force” in the terminal.

 

Step 6: Delete the node_modules folder

Another thing you can try is deleting the “node_modules” folder from your project directory and then running “npm install” again to reinstall the dependencies.

 

Step 7: run “npm install –global –production windows-build-tools” command

If you are using windows, try this command in the terminal. This command installs the build tools required to compile and install some npm modules.

 

Step 8 : Try removing the option flags after the ng serve

This method resolved the issue for me, In my case the serve command was appended by the –ssl true flag. Removing the –ssl true flag resolved the issue for me.

 

These steps can help you resolve the “AssignProcessToJobObject: (6) The handle is invalid” error when serving an Angular application using Node.js. However, if the error persists, it may be helpful to check for any relevant error messages in the console or to seek further assistance from the Angular community or Node.js support forums.

It is important to note that this error is not specific to Angular, it can happen in any application that uses Node.js. Following the above steps should help you resolve the issue and get your application up and running.

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