Print name of busted server config files

Spigot-Server-Patches/0002-Paper-config-files.patch

@@ -600,7 +600,7 @@ index 18f510c2be4f6630c25b3f404234f3843ece817b..a314ed0106cbf4359dd1920bb4b3c609
 +    // Paper end
  }
 diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
-index 6d1012cc652780189a5d849125abe09b27b88422..49649e70ee8bfb3dacd63a88a180f0f329f308c0 100644
+index 6d1012cc652780189a5d849125abe09b27b88422..d8c8bf2466be362b424fde611fe42b73fea42ef9 100644
 --- a/src/main/java/net/minecraft/server/Main.java
 +++ b/src/main/java/net/minecraft/server/Main.java
 @@ -64,6 +64,12 @@ public class Main {
@@ -616,15 +616,19 @@ index 6d1012cc652780189a5d849125abe09b27b88422..49649e70ee8bfb3dacd63a88a180f0f3
              java.nio.file.Path java_nio_file_path1 = Paths.get("eula.txt");
              EULA eula = new EULA(java_nio_file_path1);
  
-@@ -205,6 +211,16 @@ public class Main {
+@@ -205,6 +211,20 @@ public class Main {
  
      }
  
 +    // Paper start - load config files
-+    private static org.bukkit.configuration.file.YamlConfiguration loadConfigFile(File configFile) throws java.io.IOException, org.bukkit.configuration.InvalidConfigurationException {
++    private static org.bukkit.configuration.file.YamlConfiguration loadConfigFile(File configFile) throws Exception {
 +        org.bukkit.configuration.file.YamlConfiguration config = new org.bukkit.configuration.file.YamlConfiguration();
 +        if (configFile.exists()) {
++            try {
 +                config.load(configFile);
++            } catch (Exception ex) {
++                throw new Exception("Failed to load configuration file: " + configFile.getName(), ex);
++            }
 +        }
 +        return config;
 +    }