Nuevamente forzando el locale del sistema, para evitar problemas futuros

src/danielcortes/xyz/Main.java

@@ -31,6 +31,7 @@ import danielcortes.xyz.views.ManagerView;
 import javax.swing.*;
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.util.Locale;
 import java.util.logging.LogManager;
 
 public class Main {
@@ -70,7 +71,7 @@ public class Main {
             e.printStackTrace();
         }
 
-        //Locale.setDefault(new Locale("es"));
+        Locale.setDefault(new Locale("es"));
     }
 
     private static void setUpLogger() {
@@ -85,4 +86,4 @@ public class Main {
 
 
     }
-}
+}