Basic error catcher.

Author: Moderocky

src/main/java/mx/kenzie/skript/runtime/threading/ScriptExceptionHandler.java

@@ -0,0 +1,22 @@
+package mx.kenzie.skript.runtime.threading;
+
+public class ScriptExceptionHandler implements Thread.UncaughtExceptionHandler {
+    
+    @Override
+    public void uncaughtException(Thread source, Throwable throwable) {
+        if (throwable instanceof ThreadDeath) return;
+        if (source instanceof ScriptThread thread) {
+            final Class<?> start = thread.initiator;
+            
+            System.err.println("An error has occurred.");
+            if (start != null)
+                System.err.println("Source: " + start.getName());
+            throwable.printStackTrace(System.err);
+            
+        } else {
+            System.err.print("Exception in thread \""
+                + source.getName() + "\" ");
+            throwable.printStackTrace(System.err);
+        }
+    }
+}

src/main/java/mx/kenzie/skript/runtime/threading/SkriptThreadProvider.java

@@ -7,6 +7,7 @@
 public class SkriptThreadProvider implements ThreadFactory {
 
     int counter;
+    private final ScriptExceptionHandler handler = new ScriptExceptionHandler();
 
     public Thread newThread(final OperationController controller, Runnable runnable, boolean inheritLocals) {
         final Thread thread = new ScriptThread(controller, Skript.THREAD_GROUP, runnable, Skript.THREAD_GROUP.getName() + "-" + counter++, 0, inheritLocals);
@@ -20,7 +21,7 @@ public Thread newThread(Runnable r) {
     }
 
     public Thread.UncaughtExceptionHandler getHandler() {
-        return Thread.getDefaultUncaughtExceptionHandler();
+        return handler;
     }
 
 }