How Can I Deploy JavaFX 11 Desktop Applications with a Bundled JRE?

Deploying JavaFX 11 Desktop Applications with a JRE

JavaFX 11 has removed the Web Start deployment option available in Java 8. To continue deploying applications with bundled JREs, developers need to follow a more modular approach.

Building the Application

1. Create a module descriptor: Declare the application module with its dependencies in a module-info.java file.
2. Compile with module path: Use --module-path to specify the module dependencies during compilation.
3. Create JAR: Build a modular JAR by compiling the classes and packaging them into a JAR file.
4. Convert JAR to JMOD: Create a JMOD (Java Module) file using the jmod tool, specifying dependencies and the main class.

Creating the Image

1. Link JMODs: Use jlink to link the application JMOD and its dependencies into an image.
2. Create Launcher Executable: Specify a launcher executable name using --launcher to simplify execution.

Distributing the Application

1. Package the Image: Distribute a ZIP or TAR.GZ containing the image tree, including the launcher executable.
2. Create Native Installer (Optional): Use jpackage to create native installers for different platforms.

Cross-Building for Different Platforms

1. Acquire JDKs: Obtain JDKs for target platforms and extract them to separate directories.
2. Specify Target Platform: Pass the target platform to jmod and jlink using --target-platform option.
3. Include External JDK JMODs: Explicitly include the JMODs of the foreign JDK using --module-path.

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