Questions tagged [javafx]

The JavaFX platform enables developers to create and deploy Rich Internet Applications (RIA) that behave consistently across multiple platforms and browsers. Questions about programming with JavaFX should be asked at Stack Overflow Q&A.

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199 views

java.lang.NoClassDefFoundError: javafx/application/Platform despite JavaFx added as Maven dependency

My application is not a JavaFx application but is using some JavaFx librairies (JavaFx Media). The following code is running fine under Windows. But not Ubuntu: static void initJavaFx() { try { ...
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1answer
57 views

JavaFX - Bad font rendering - color fringes - blurry tex

Using LTS 20.04 the font rendering of JavaFX applications is very bad. I'm asking this question so I can answer it myself. It took me some hours of search and trial and error to find the solution. ...
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1answer
148 views

how to run Moneydance 2021 on Ubuntu 20.10 on a Raspberry Pi 4

The personal finance program Moneydance is Java-based, so I'd expect to be able to run Moneydance in Ubuntu 20.10 on my Raspberry Pi 4 -- but it complains about the Java version -- MD says: No ...
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JavaFX installation

How can run JavaFX application(program) in Ubuntu 20.04?
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64 views

Installed openjfx But Cannot Find JFX Files

According to this answer, I installed openjfx with the following command: sudo apt-get install openjfx The command finished successfully, but I can't find the JavaFX files anywhere. I particularly ...
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1answer
512 views

Ubuntu 19.10 Eoan won't play sound from my Java programs

After installing Ubuntu 19.10 recently, I've been working on projects that involve playing audio. The file type isn't overly important, wav, mp3, whatever works. However, I've been unable to get Java ...
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1answer
239 views

Problems setting up Java on Ubuntu 19.10

I'm new to all of this, so I ask for your comprehension. A couple of days ago I installed Ubuntu 19.10 on my PC and I'm having trouble setting up Java. At the beginning, I just used the sudo apt-get ...
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1answer
922 views

How to install and import OpenJFX?

I have installed openjdk 11 and openjfx (using "apt get install openjfx"). Tried to use "import javafx" and "import openjfx" in the code and javac always says that there is no such package.
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1answer
150 views

18.04: JavaFx not working

I just recently joined the Linux familly and have been transitionning from windows pretty well but i've just hurt myself to a somewhat strange problem while trying to dev on javafx. I am currently ...
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1answer
2k views

JavaFX on WSL - java.lang.NoClassDefFoundError: javafx/application/Application

I'm following this guide on openjfx.io to compile and run HelloFX.java. Ubuntu 18.04.2 LTS, via Windows Sybsystem For Linux Installed openjdk via apt install openjdk-11-jre Downloaded JavaFX from ...
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1answer
1k views

I can't find JavaFX jar files on after running apt-get install. I don't even think they got installed

I'm trying to build a JFX app on IntelliJ. I installed JavaFX using the command: sudo apt-get install openjfx I found somewhere that I am supposed to add jfxswt.jar and jfxrt.jar to the class path. ...
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JavaFx is not working in Ubuntu 18.04

I'm learning some basics of JavaFx and I got to know that default java doesn't come with JavaFx. I installed it using this command sudo apt install openjdk-11-jdk openjfx, but when I try to compile my ...
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Installed location of package files

The file list shows that openjfx installs files in the directory /usr/lib/jvm/java-8-openjdk-amd64, but why dpkg-query -L openjfx on my laptop shows the following result: /. /usr /usr/share /...
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795 views

How install JavaFX SDK on Ubuntu

I to try to install JavaFX SDK as here to say, with these command, java --module-path /home/ss/openjfx-11.0.2_linux-x64_bin-sdk/lib/javafx-sdk-11.0.2 and to come, Output from javafx installation ...
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1answer
486 views

You are using OpenJDK, please Install OpenJFX error?

Hello I am trying to open STM32CubeProgrammer on my Ubuntu system. Once I have installed the program, tried to open it and came up with this error: You are using OpenJDK, Please install OpenJFX ...
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4answers
1k views

Using ITR utility on Ubuntu or its flavors

Problem: I want to use ITR e-filing utility (India's Income Tax Return e-filing utility) on Ubuntu or any of its flavors. What I've tried: I tried installing java (OpenJDK 11), and installing ...
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1answer
2k views

JavaFX is missing in Oracle JDK

I have installed Oracle JDK 12 from ppa.launchpad.net/linuxuprising but when I create Java FX project in Intellij Idea it says Java FX is not configured in selected JDK. Seems the JDK doesn't include ...
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1answer
3k views

Cannot deploy JavaFX app (Can't build artifact - fx:deploy is not available in this JDK)

I wanted to deploy my first JavaFX JDK 11 application using IntelliJ. I proceeded as follows: File -> Project structure -> Artifacts -> MyApp.jar -> OK Then: Build -> Build artifacts -> Build ...
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1answer
2k views

Installing Old Package from Old Ubuntu to New version of Ubuntu

I want to install openjfx8 (which is compatible with Java 8) on Ubuntu 19.04. This was available on Ubuntu 18.04, and I had installed as follows: (Refer: How do I get Java FX running with OpenJDK 8 on ...
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0answers
1k views

Unable to run jar file that requires JavaFX

I have download a jar file. When I run it, I get the message JavaFX runtime components are missing............ I then ran the the following command sudo apt install openjdk-8-jdk openjfx Still I am ...
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2answers
751 views

Openjfx is not installing

I'm using openjdk-8 openjdk version "1.8.0_212" OpenJDK Runtime Environment (build 1.8.0_212-8u212-b03-0ubuntu1.18.04.1-b03) OpenJDK 64-Bit Server VM (build 25.212-b03, mixed mode) and i try to ...
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0answers
129 views

JavaFX not working

I need to run a software built using Java. I downloaded the JRE and JDK, but the software needs to use JavaFX. As I understand it, JavaFX was decoupled from the main packages in more recent Linux ...
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1answer
2k views

Recent upgrade of openjfx broke my installed application

Today I ran apt upgrade on my Ubuntu 18.04 LTS and after that, an installed JavaFX 8 application (internally developed tool) stopped working. Running the application only brings the following error: ...
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3answers
13k views

How to install & run java 8 and javafx on Ubuntu 18.04

I'd like to install java 8 and javafx on ubuntu 18.04. I installed openjdk-8-jdk, openjfx and openjdk-8-jre via apt but a compilation of hello world app fails since javac is unable to locate javafx. ...
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3answers
60k views

java.lang.NoClassDefFoundError: javafx/application/Application

I installed OpenJDK-11 as described here. I ran sudo apt install openjfx My java version: $ java -version openjdk version "11.0.3" 2019-04-16 OpenJDK Runtime Environment (build 11.0.3+7-Ubuntu-...
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1answer
291 views

Ubuntu Java Scene Builder too small on a 4k screen

As you can see below the scene builder GUI is far too small Scene builder How can I change this? My monitor is 4k
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0answers
702 views

OpenJFX not getting installed correctly

I have installed Java from this command: sudo apt-get install icedtea-8-plugin sudo apt install openjdk-8-jdk sudo apt-get install openjfx So I installed IcedTea, openJDK 8 and openJFX. For some ...
2
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1answer
15k views

Can't execute my .jar JavaFX application [duplicate]

I'm trying to make the JavaFX application I made on Windows work for Ubuntu. I've made the .jar file and it works fine on Windows 10, but won't work on Ubuntu. Whether I double click it from the ...
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0answers
332 views

Creating a snap for JavaFX application

I'm trying to create a snap for a JavaFX application, but I can't seem to figure out how to structure the yaml file. I've read that I need to use the desktop-launch command, but I also need to call ...
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1answer
725 views

Ubuntu version 18.10 JavaFX

load the Ubuntu version 18.10 but I can not run a JavaFx program, what I can do in version 18.04. Do I have to do something extra?
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0answers
3k views

Using OpenJDK and JavaFX for self-contained, modular packaging [duplicate]

EDIT: the tutorial linked in the answer of the duplicated question has gotten me past the problem I wrote about here. I had seen that question earlier and I did not, at the time, think it applied. But ...
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1answer
1k views

Java 8 and Java 11 on Kubuntu

The frequent updates for Java versions is causing me headaches in my software engineering course. I have some students who are doing their project in Java 11, which is not available on the school's ...
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1answer
18k views

How to Install JavaFX with openjdk-11-jdk? [duplicate]

I am trying to build this jlink demo with Java 11. I installed the OpenJDK 11. The build process fails when it attempts to link against javafx. I think I have the javafx packages installed: > ...
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5answers
80k views

JavaFX missing, Ubuntu 18.04

I have Java 8 and Ubuntu 18.04. I'm using NetBeans and when tried to make some program, it couldn't be done because JavaFX is missing. I installed Java JDK with NetBeans from Oracle's site and ...
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2answers
2k views

Openjfx 11 after 18.10 upgrade

I'm developing an application that needs JavaFX. This week I upgraded to Ubuntu 18.10 and saw that the default version of OpenJDK is 11 and therefore the OpenJFX version is also 11. The "cosmic" ...
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1answer
10k views

JAVAFX_HOME path on ubuntu

So my problem is openjfx and using it on Scala-sbt project. The actual problem is JAVAFX_HOME path. First of all I have java version 10.0.2 installed on my computer and openjfx (which I take as JavaFX)...
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0answers
230 views

Upgrading Ubuntu 18.04.1 disabled JavaFX?

I just upgraded to 18.04.1 and trying to adjust to the changes. One huge issue I'm having is that opening a java application, the Ardor client, I get the error "JavaFX not supported". I tried to ...
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0answers
686 views

JavaFX missing in KUbuntu 18.04

I have have Kubuntu 18.04 installed and I use the default jdk which says version 11 in the repositories but 10 when using java -version command. However, I cannot run JavaFX application because it's ...
3
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1answer
1k views

Under Ubuntu 18.04 my Java 10 application doesn't scale with the screen

I am programming a Java 10 application using JavaFX for the UI. Under Ubuntu 16.04 the application was sized appropriately. Under 18.04 suddenly the application is scaled to half its size. I need to ...
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0answers
2k views

How to install Java9 with JavaFX?

I installed Java9 as described here. This works without any problems for any projects I tried without JavaFX. Unfortunately my company runs its UIs with JavaFX and those packages seem to be missing. ...
4
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1answer
3k views

How to install libavcodec53 and libavformat53 so that I can use JavaFx in Ubuntu 16.04

I want to use JavaFX in Ubuntu. According to this link, I have to install libavcodec53 and libavformat53. I googled and came across sites like this, which suggests to use sudo apt-get update sudo apt-...
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1answer
861 views

I can't launch Scene Builder

I recently started JAVAFX, so I got SceneBuilder to help... but I can't it launch after installation and reinstallation. It prints segmentation fault (core dumped) as an error when I try to run ...
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1answer
2k views

Scene builder does not open in ubuntu 17.04?

When I open scene builder using eclipse. it is not opening why I do not know. I got the following error. please give me a suggestion. I showed installed path of scene builder in eclipse. window->...
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1answer
2k views

How to setup Eclipse and Java JDK w/ Java-FX

I'm really new to Ubuntu and I'm trying to get set up. I've tried installing Eclipse via the store application but that one seems really outdated. Next I'm trying to install Java SDK and I'm really ...
8
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1answer
7k views

JavaFX for Ubuntu 16.04 not installed

I tried to install javafx for ubuntu as described in the answer here but the libraries it mentions were not added to my jdk folder after the installation. Specifically only the ant-javafx.jar is added....
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2answers
3k views

Help with installing jre-8u101-linux-x64

I want to install the proprietary version of java. Thus, I went to their website and followed their instructions here http://java.com/en/download/help/linux_x64_install.xml. Quite simply it says to: ...
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1answer
7k views

Howto install latest Oracle Java JDK (32-Bit) to Linux Xubuntu 14.04 (64-Bit) easiest way [duplicate]

I have managed to install the latest Openjdk version of Java JDK via :i386 suffix so far. But my JavaFX app depends on the Oracle JDK to run properly I have only successfully installed the 64-Bit ...
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1answer
272 views

Running Spark with Java 6

I'm stuck at this stage. I am trying to install Spark. I installed Java 6 and Scala 2.11.6. Installing Spark displays the error shown below: Exception in thread hand java.lang....
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2answers
198 views

How to doubleclick a Java Jar and start it without sudo

My current Situation: my pc is running Xubuntu 16.04 a java jar app on Xubunutu desktop a USB thermal printer (Model: DigiPOS 920) is connected via USB to my pc the java app talks to the thermal ...
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2answers
1k views

Global Menu for JavaFX Applications

I know that we can enable global menu for Java Swing applications using Jayatana. But I am searching for global menu support for JavaFX applications. After searching on it, I have found that ...