Fixed empty image for bug reading in Java.

src/fr/devinsy/catgenerator/cli/CatGeneratorCLI.java

@@ -261,7 +261,7 @@ public final class CatGeneratorCLI
         catch (IOException exception)
         {
             logger.error("Error detected: {}", exception.getMessage());
-            // exception.printStackTrace();
+            exception.printStackTrace();
         }
 
         //

src/fr/devinsy/catgenerator/core/BirdGenerator.java

@@ -149,7 +149,7 @@ public class BirdGenerator
         drawImage(grapher, "hoop", generator.nextInt(10) + 1);
         drawImage(grapher, "body", generator.nextInt(9) + 1);
         drawImage(grapher, "wing", generator.nextInt(9) + 1);
-        drawImage(grapher, "eye", generator.nextInt(9) + 1);
+        drawImage(grapher, "eyes", generator.nextInt(9) + 1);
         drawImage(grapher, "bec", generator.nextInt(9) + 1);
         drawImage(grapher, "accessorie", generator.nextInt(20) + 1);
 
@@ -266,7 +266,8 @@ public class BirdGenerator
      */
     private static void drawImage(final Graphics2D grapher, final String name, final int index) throws IOException
     {
-        URL url = BirdGenerator.class.getResource("/fr/devinsy/catgenerator/core/images/bird/" + name + "_" + index + ".png");
+        String fileName = "/fr/devinsy/catgenerator/core/images/bird/" + name + "_" + index + ".png";
+        URL url = BirdGenerator.class.getResource(fileName);
         BufferedImage part = ImageIO.read(url);
         grapher.drawImage(part, null, 0, 0);
     }