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Troubleshooting the issue of `javafx.util` package not being found when building a Maven project in IntelliJ IDEA. Learn potential causes and solutions.
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Why Does javafx.util Not Get Found When Building a Maven Project in IntelliJ?

Building Java projects using Maven in IntelliJ IDEA has become a standard practice for developers. However, you may encounter the issue of javafx.util package not being found. This can be a roadblock if you're using JavaFX for your application's graphical user interface. This post will explore why this happens and how to resolve it.

Understanding the Problem

When you attempt to build your JavaFX project with Maven in IntelliJ IDEA, you might see a message like:

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

This error occurs because the JavaFX libraries are not being properly recognized or included in your project's classpath.

Potential Causes

JavaFX Modules not included:
JavaFX is not part of the JDK from Java 11 onwards. This means you need to add the JavaFX libraries manually.

Incorrect Maven dependencies:
Your pom.xml file may not include the necessary dependencies for JavaFX, or they may be incorrectly specified.

IntelliJ IDEA Configuration:
The IDE may not be configured to recognize the JavaFX modules correctly.

Solutions

Adding JavaFX to Your Maven Project

To include JavaFX in your Maven project, you'll need to add the following dependencies to your pom.xml file:

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

Configuring the Maven Plugin

Additionally, you may need to configure the maven-compiler-plugin to use the right version of Java and include the necessary JavaFX modules during compilation.

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

Replace ${PATH_TO_FX} with the path to the JavaFX lib directory on your system.

Configuring IntelliJ IDEA

Ensure that IntelliJ IDEA is set up to recognize the JavaFX modules:

Project Structure:
Go to File > Project Structure > Modules. Ensure that your module's dependencies include the required JavaFX libraries.

SDK Configuration:
Make sure that the SDK configured in Project Structure is the correct version and that it points to a JDK that supports modules.

By carefully configuring your pom.xml and ensuring IntelliJ IDEA is set up properly, you can overcome the javafx.util not found error and smoothly build your JavaFX projects with Maven.