Using this testapplication:

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class ImageTest extends Application {

    @Override
    public void start(Stage stage) throws Exception {

        Image img = new Image("https://www.synedra.com/_thumbnails_/606_11_robert_lichtenberger.jpg";);
        if (img.isError()) {
            System.out.println(img.getException());
        }
        ImageView imgView = new ImageView(img);

        StackPane stack = new StackPane();
        stack.getChildren().add(imgView);
        Scene scene = new Scene(stack, 640, 480);
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch();
    }
}

And running it with regular JavaFX-16 (downloaded from gluonhq), I get:

[rli@rlimbus javafx]$ java --module-path /home/rli/Downloads/javafx-sdk-16/lib --add-modules javafx.controls,javafx.fxml ImageTest java.io.IOException: Wrong JPEG library version: library is 62, caller expects 90

and the image will not be loaded.

The same happens for all other regular JavaFX SDKs (even tried LTS 11.0.12).

When I compile JavaFX myself, it works as expected:

[rli@rlimbus javafx]$ java --module-path /home/rli/PWEs/jfx/build/sdk/lib --add-modules javafx.controls,javafx.fxml ImageTest

The problem seems to be related to the OS version, because on Fedora 33 everything works fine.

Other applications are also impacted, e.g. AsciidocFX cannot show previews of jpeg images on Fedora 34.

Any hints / ideas appreciated.

Robert




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