Task 'run' causes: org.joor.ReflectException: java.lang.NoSuchFieldException: javaExecHandleBuilder - Gluon Mobile Project

user_13743703 0
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When I try to run my entire project in NetBeans I get the following error log:

...
Task :run FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':run'.
> org.joor.ReflectException: java.lang.NoSuchFieldException: javaExecHandleBuilder

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 4s

I don't know what's going on, I specified the main class in build.gradle... Pls, help!

gluon-mobile javafx
2 Answers

I found a solution to develop JavaFX project with Gradle version 6.6 or newer. You need to remove the javafx-gradle-plugin and use the JPMS support from Gradle itself. With removing the javafx-gradle-plugin, you need to maintain the JavaFX dependencies by yourself. Here an example of the build.gradle setup.

plugins {
    id 'application'
}

def currentOS = org.gradle.nativeplatform.platform.internal.DefaultNativePlatform.currentOperatingSystem;
def platform
if (currentOS.isWindows()) {
     platform = 'win'
} else if (currentOS.isLinux()) {
     platform = 'linux'
} else if (currentOS.isMacOsX()) {
     platform = 'mac'
}

java {
    modularity.inferModulePath = true
}

dependencies {
    implementation "org.openjfx:javafx-base:15.0.1:${platform}"
    implementation "org.openjfx:javafx-controls:15.0.1:${platform}"
    implementation "org.openjfx:javafx-graphics:15.0.1:${platform}"
    implementation "org.openjfx:javafx-fxml:15.0.1:${platform}"
}

application {
    mainModule = 'com.your.module'
    mainClass = 'com.your.package.Main'
}

On your module-info.java file you need to declare the require JavaFX module.

module com.your.module {

    requires javafx.base;
    requires javafx.controls;
    requires javafx.graphics;
    requires javafx.fxml;

    opens com.your.package to javafx.fxml;

    exports com.your.package;

}
user_58522260

There now exists a fork of the JavaFX Gradle plugin that removes the modularity plugin. The developer of said plugin recommends only using it if you are using Java 16 and/or Gradle 7.

Buildscript:

plugins {
    id 'application'
    id 'com.dua3.javafxgradle7plugin' version '0.0.9'
}

application {
    mainModule = 'module.name'
    mainClass = 'class.name'
}

javafx {
    version = '16'
    modules = [ 'javafx.controls', 'javafx.fxml' ]
}

Your module descriptor doesn't need to be changed.

Plugin info:

user_155033880
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