For Maven projects you can go like this:

Open the maven the tool window. In Intellij you can do this by right click on the project name and then click on "maven tool window".

Then click on the reimport all maven projects.

Now your project should be stable again



In IntelliJ, start by creating a new Kotlin project. You will be asked to choose the project type, at which point you can choose a pure frontend application or a full-stack web application depending on what suits your needs best. You may need to wait a few minutes for all the necessary dependencies to finish downloading.
You should then see your project. Within the src/main directory you will be able to find your main .kt file containing the script's starting point and an index.html file in the resources directory. Note that inside of the HTML file, the only script that is linked is one .js file, named the same as your project. This file will be generated at compile-time and will contain all your compiled Kotlin code.

To run the project, you can bring up the Gradle tool window from the View menu, and run the browserDevelopmentRun Gradle task to run your project for the first time. This may take a couple of minutes the first time you do it.
However, you probably don't want to be manually stopping and restarting your web server every time you make a change to a file. By bringing up your run configurations tool window, you can edit the newly created browserDevelopmentRun configuration. In the Arguments text field, add the argument --continuous and save your changes. Upon next run, this will make the system continuously listen for changes and update your browser automatically.




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