fixed start bug

Author: BloodWorkXGaming

build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'atm.bloodworkxgaming'
-version = '1.2.2'
+version = '1.2.3'
 
 sourceCompatibility = 1.8
 

src/main/java/atm/bloodworkxgaming/serverstarter/ForgeManager.java

@@ -150,7 +150,9 @@ private void startServer() {
 
             List<String> arguments = new ArrayList<>();
 
-            arguments.add(configFile.launch.preJavaArgs);
+            if (configFile.launch.preJavaArgs != null && !configFile.launch.preJavaArgs.isEmpty())
+                arguments.add(configFile.launch.preJavaArgs);
+
             arguments.add("java");
             arguments.addAll(configFile.launch.javaArgs);
             arguments.add("-Xmx" + configFile.launch.maxRam);