An exception is thrown from ImageFormatTool.convertImageFrame():
java.lang.IllegalArgumentException: Image scanlineStride is too small
at com.sun.prism.Image.<init>(Image.java:136)
at com.sun.prism.Image.fromByteBgraPreData(Image.java:43)
at com.sun.prism.ImageFormatTool.convertImageFrame(ImageFormatTool.java:43)
at ImageLoaderTest.start(ImageLoaderTest.java:26)
at com.sun.javafx.application.LauncherImpl$4.run(LauncherImpl.java:164)
at com.sun.javafx.application.PlatformImpl$4.run(PlatformImpl.java:126)
at com.sun.javafx.application.PlatformImpl$3.run(PlatformImpl.java:102)


A testcase is below; put the attached search.png into /tmp directory. It's also easy to reproduce with Browser demo, just open any Wikipedia article and you'll see the exception.

import com.sun.javafx.iio.ImageFrame;
import com.sun.javafx.iio.ImageLoadListener;
import com.sun.javafx.iio.ImageLoader;
import com.sun.javafx.iio.ImageMetadata;
import com.sun.javafx.iio.ImageStorage;
import com.sun.prism.ImageFormatTool;
import java.io.FileInputStream;
import java.io.InputStream;
import javafx.application.Application;
import javafx.stage.Stage;


public class ImageLoaderTest extends Application implements ImageLoadListener {
    
    public static void main(String[] args) {
        launch(ImageLoaderTest.class, args);
    }

    @Override public void start(Stage stage) {
        try {
            InputStream in = new FileInputStream("/tmp/search.png");
            ImageFrame[] frames = ImageStorage.loadAll(in, this, 0, 0, true, false);
            System.out.println("Image loaded");
            
            for (int i=0; i<frames.length; i++) {
                ImageFormatTool.convertImageFrame(frames[i]);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
        
    @Override public void imageLoadProgress(ImageLoader l, float p) {
    }
    @Override public void imageLoadWarning(ImageLoader l, String warning) {
    }
    @Override public void imageLoadMetaData(ImageLoader l, ImageMetadata metadata) {
        System.out.printf("Image size is %dx%d\n", metadata.imageWidth, metadata.imageHeight);
    }
}