(JavaFX) Image object path being weird.

[Kiyullo]

I'm trying out JavaFX and when I instantiate an Image object it throws an IllegalArgumentException exception: Invalid URL or resource not found
    at javafx.graphics/javafx.scene.image.Image.validateUrl(Image.java:1120)

 

I assume the image path isn't working, but I'm doing exactly what's shown in a video where it works properly. If the image file (named purp.png) is in my src directory, I pass "purp.png". If I put it in a resources subdirectory I pass the path.

 

Tried in a brand new JavaFX project and it gives the same error:

 

package com.example.demo;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.stage.Stage;

import java.io.IOException;

public class HelloApplication extends Application {
	@Override
	public void start(Stage stage) throws IOException {
		FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
		Scene scene = new Scene(fxmlLoader.load(), 320, 240);
		
		// Error occurs when instantiating Image.
		Image icon = new Image("purp.png");
		stage.getIcons().add(icon);
		
		stage.setTitle("Hello!");
		stage.setScene(scene);
		stage.show();
	}

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

 

Anyone know why it's not working?

[AbydosOne]

21 hours ago, Kiyullo said:

If the image file (named purp.png) is in my src directory, I pass "purp.png"

Put the image in the root project folder, not the src folder.

[Kiyullo]

3 hours ago, AbydosOne said:

Put the image in the root project folder, not the src folder.

Tried that. Doesn't work. Also tried putting it in a subdirectory inside of the resources folder and adding the path. Also doesn't work.

 

There has to be some underlying issue that I just don't know about.

[Biohazard777]

On 11/17/2023 at 1:32 AM, Kiyullo said:

Image icon = new Image("purp.png");

Isn't that supposed to be URI?
Like so:

Image icon = new Image("file:purp.png");

Try that.

[Kiyullo]

10 hours ago, Biohazard777 said:

Isn't that supposed to be URI?
Like so:

Image icon = new Image("file:purp.png");

Try that.

Wow that actually worked. I can use the image.

Now even if the specified image does not exist in the project, the object can still instantiate without an error.

It's very strange since in the video it worked normally with the code I was following along with (not the same code used in the demo code from the OP):

 

Maybe they changed how JavaFX works or something.

 

EDIT:

 

Also it says URL, not URI:

    public Image(@NamedArg("url") String var1) {
        this(validateUrl(var1), (InputStream)null, 0.0, 0.0, false, false, false);
        this.initialize((Object)null);
    }

 

[Kiyullo]

16 hours ago, Biohazard777 said:

Isn't that supposed to be URI?
Like so:

Image icon = new Image("file:purp.png");

Try that.

I tried putting the image in a subdirectory named images in the resources folder. I tried some paths but couldn't get it wo work. What path should I use if it's in resources/images?

 

EDIT:

I figured it out. Kind of. Instead of only putting the path for resources and images, I needed the entire path from the C drive.

That's a bit annoying since different PCs will probably have different paths. How can I keep it in the resource subdirectories while avoiding this issue?