title: java.lang.IllegalArgumentException: Invalid URL or resource not found
body: <p>I tested this code:</p>
  
  <pre><code>public static void main(String[] args)
      {
          Application.launch(args);
      }
  
      @Override
      public void start(Stage primaryStage)
      {
  
          // Image
          Image image = new Image("za.png");
          ImageView imageView = new ImageView();
          imageView.setImage(image);
  
          // Text
          Text t = new Text();
          t.setText("Do you want to quit?");
  
          // Buttons
          Button btnYes = new Button("Yes");
          Button btnNo = new Button("No");
          btnYes.setStyle("-fx-background-color:\n"
                  + "        #090a0c,\n"
                  + "        linear-gradient(#38424b 0%, #1f2429 20%, #191d22 100%),\n"
                  + "        linear-gradient(#20262b, #191d22),\n"
                  + "        radial-gradient(center 50% 0%, radius 100%, rgba(114,131,148,0.9), rgba(255,255,255,0));\n"
                  + "    -fx-background-radius: 5,4,3,5;\n"
                  + "    -fx-background-insets: 0,1,2,0;\n"
                  + "    -fx-text-fill: white;\n"
                  + "    -fx-effect: dropshadow( three-pass-box , rgba(0,0,0,0.6) , 5, 0.0 , 0 , 1 );\n"
                  + "    -fx-font-family: \"Arial\";\n"
                  + "    -fx-text-fill: linear-gradient(white, #d0d0d0);\n"
                  + "    -fx-font-size: 12px;\n"
                  + "    -fx-padding: 10 20 10 20;");
  
          btnNo.setStyle("-fx-background-color:\n"
                  + "        #090a0c,\n"
                  + "        linear-gradient(#38424b 0%, #1f2429 20%, #191d22 100%),\n"
                  + "        linear-gradient(#20262b, #191d22),\n"
                  + "        radial-gradient(center 50% 0%, radius 100%, rgba(114,131,148,0.9), rgba(255,255,255,0));\n"
                  + "    -fx-background-radius: 5,4,3,5;\n"
                  + "    -fx-background-insets: 0,1,2,0;\n"
                  + "    -fx-text-fill: white;\n"
                  + "    -fx-effect: dropshadow( three-pass-box , rgba(0,0,0,0.6) , 5, 0.0 , 0 , 1 );\n"
                  + "    -fx-font-family: \"Arial\";\n"
                  + "    -fx-text-fill: linear-gradient(white, #d0d0d0);\n"
                  + "    -fx-font-size: 12px;\n"
                  + "    -fx-padding: 10 20 10 20;");
  
          // Buttons layout
          HBox hbox = new HBox(8); // spacing = 8
          hbox.setStyle("-fx-padding: 15; -fx-font-size: 15pt;");
          hbox.getChildren().addAll(btnYes, btnNo);
          hbox.setAlignment(Pos.BASELINE_RIGHT);
  
          BorderPane bp = new BorderPane();
          bp.setStyle("-fx-background-color: linear-gradient(#ffffff,#f3f3f4);\n"
                  + "    -fx-border-width: 1 1 1 1;\n"
                  + "    -fx-border-color: #b4b4b4 transparent #b4b4b4 transparent;\n"
                  + "    -fx-font-size: 1.083333em;\n"
                  + "    -fx-text-fill: #292929;");
  
          bp.setPadding(new Insets(10, 20, 10, 20));
          //Button btnTop = new Button("Top");
          bp.setTop(null);
          //Button btnLeft = new Button("Left");
          bp.setLeft(imageView);
          //Button btnCenter = new Button("Center");
          bp.setCenter(t);
          //Button btnRight = new Button("Right");
          bp.setRight(null);
          //Button btnBottom = new Button("Bottom");
          bp.setBottom(hbox);
          Scene scene = new Scene(bp, 500, 200);
          primaryStage.setScene(scene);
          primaryStage.show();
      }
  </code></pre>
  
  <p>I get this error:</p>
  
  <pre><code>Executing com.javafx.main.Main from /home/rcbandit/Desktop/test/DX-57DC/dist/run429319394/DX-57DC.jar using platform /opt/jdk1.8.0/bin/java
  Exception in Application start method
  java.lang.reflect.InvocationTargetException
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:491)
      at com.javafx.main.Main.launchApp(Main.java:642)
      at com.javafx.main.Main.main(Main.java:805)
  Caused by: java.lang.RuntimeException: Exception in Application start method
      at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:403)
      at com.sun.javafx.application.LauncherImpl.access$000(LauncherImpl.java:47)
      at com.sun.javafx.application.LauncherImpl$1.run(LauncherImpl.java:115)
      at java.lang.Thread.run(Thread.java:724)
  Caused by: java.lang.IllegalArgumentException: Invalid URL: Invalid URL or resource not found
      at javafx.scene.image.Image.validateUrl(Image.java:986)
      at javafx.scene.image.Image.&lt;init&gt;(Image.java:538)
      at com.dx57dc.main.DX57DC.start(DX57DC.java:28)
      at com.sun.javafx.application.LauncherImpl$5.run(LauncherImpl.java:319)
      at com.sun.javafx.application.PlatformImpl$5.run(PlatformImpl.java:215)
      at com.sun.javafx.application.PlatformImpl$4$1.run(PlatformImpl.java:179)
      at com.sun.javafx.application.PlatformImpl$4$1.run(PlatformImpl.java:176)
      at java.security.AccessController.doPrivileged(Native Method)
      at com.sun.javafx.application.PlatformImpl$4.run(PlatformImpl.java:176)
      at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:76)
      at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
      at com.sun.glass.ui.gtk.GtkApplication$3$1.run(GtkApplication.java:82)
      ... 1 more
  Caused by: java.lang.IllegalArgumentException: Invalid URL or resource not found
      at javafx.scene.image.Image.validateUrl(Image.java:979)
      ... 12 more
  Java Result: 1
  Deleting directory /home/rcbandit/Desktop/test/DX-57DC/dist/run429319394
  jfxsa-run:
  BUILD SUCCESSFUL (total time: 6 seconds)
  </code></pre>
  
  <p>I placed the image file next to the java source code file but the file is not found. Can you tell me how to fix this?</p>