Скачать или смотреть Understanding JavaFX Error in Visual Studio Code: A Common Dilemma

Discover why your `JavaFX` code runs perfectly in CMD but throws errors in Visual Studio Code, along with a straightforward solution to fix it.
---
This video is based on the question https://stackoverflow.com/q/66466784/ asked by the user 'nana' ( https://stackoverflow.com/u/12916172/ ) and on the answer https://stackoverflow.com/a/66467391/ provided by the user 'nana' ( https://stackoverflow.com/u/12916172/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Why does my javaFX code run fine on cmd, but throws an error in Visual Studio Code?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Understanding JavaFX Error in Visual Studio Code: A Common Dilemma

If you've ever encountered the frustrating scenario of your JavaFX application running flawlessly in the command line but producing errors in Visual Studio Code, you're not alone. A common error message that many developers face states: "JavaFX runtime components are missing, and are required to run this application." This guide aims to break down this problem and provide a clear, step-by-step solution to resolve it.

The Problem

What Happens in Command Prompt vs. Visual Studio Code?

If you follow this process in the Command Prompt:

Compile your code using the command:

[[See Video to Reveal this Text or Code Snippet]]

Run your application with:

[[See Video to Reveal this Text or Code Snippet]]

You will notice that everything works perfectly. However, when you attempt to run the same code in Visual Studio Code, you are met with the annoying error of missing JavaFX runtime components. This can lead to confusion and concern, especially for those new to JavaFX.

Possible Cause of the Error

This problem usually boils down to how Visual Studio Code handles module paths and dependencies differently than the command line. While the command line invocation specifies the necessary modules explicitly, Visual Studio Code might not recognize these settings automatically based on your project configuration.

The Solution

Adjusting Your Run Configuration

Fear not! There is a simple solution to this problem, and it involves adjusting your run configuration in Visual Studio Code:

Access the Run Panel: On the left side of your Visual Studio Code interface, locate and click on the Run panel. This is where you'll find options to configure how your code runs.

Select the Correct File: At the top of the Run panel, you’ll see an option to select which file to run. By default, it may be set to "current file." You should change this to the name of the file you want to run, ensuring it targets the correct JavaFX application.

Run Your Application: Once you have made this selection, you can either click the green run button in the Run panel or use the shortcut CTRL + F5 to execute your code. You should find your JavaFX application runs smoothly without throwing any errors.

Bonus Tip: Double-Check Your Library Settings

While the above steps usually do the trick, it’s always good to double-check that the JavaFX library files are appropriately linked in your Visual Studio Code project. Ensure that they are added under Java Projects Referenced Libraries correctly.

Conclusion

Dealing with configuration issues in IDEs can be a hassle, especially for those newly venturing into JavaFX. By following the above steps to adjust your run configuration in Visual Studio Code, you can circumvent the common runtime error and ensure a seamless coding experience. Remember, the key takeaway here is to always select the correct file for execution, especially when working with modular dependencies like JavaFX.

Happy coding! Stay curious and keep experimenting with JavaFX to build even more exciting applications!