diff -r 655280eab1e2 -r 4083f5a67c63 src/luan/LuanException.java
--- a/src/luan/LuanException.java	Tue Aug 30 01:29:33 2016 -0600
+++ b/src/luan/LuanException.java	Tue Aug 30 12:00:38 2016 -0600
@@ -11,17 +11,14 @@
 
 	public LuanException(String msg,Throwable cause) {
 		super(msg,cause);
-		initTable();
 	}
 
 	public LuanException(String msg) {
 		super(msg);
-		initTable();
 	}
 
 	public LuanException(Throwable cause) {
 		super(cause);
-		initTable();
 	}
 
 	private LuanException(String msg,Throwable cause,int nonsense) {
@@ -38,32 +35,31 @@
 	}
 
 	public LuanTable table() {
+		if( table==null ) {
+			table = new LuanTable();
+			table.rawPut( "java", this );
+			LuanTable metatable = new LuanTable();
+			table.setMetatable(metatable);
+			try {
+				table.rawPut( "get_message", new LuanJavaFunction(
+					LuanException.class.getMethod( "getMessage" ), this
+				) );
+				table.rawPut( "throw", new LuanJavaFunction(
+					LuanException.class.getMethod( "throwThis" ), this
+				) );
+				table.rawPut( "get_java_stack_trace_string", new LuanJavaFunction(
+					LuanException.class.getMethod( "getJavaStackTraceString" ), this
+				) );
+				metatable.rawPut( "__to_string", new LuanJavaFunction(
+					LuanException.class.getMethod( "getFullMessage" ), this
+				) );
+			} catch(NoSuchMethodException e) {
+				throw new RuntimeException(e);
+			}
+		}
 		return table;
 	}
 
-	private void initTable() {
-		table = new LuanTable();
-		table.rawPut( "java", this );
-		LuanTable metatable = new LuanTable();
-		table.setMetatable(metatable);
-		try {
-			table.rawPut( "get_message", new LuanJavaFunction(
-				LuanException.class.getMethod( "getMessage" ), this
-			) );
-			table.rawPut( "throw", new LuanJavaFunction(
-				LuanException.class.getMethod( "throwThis" ), this
-			) );
-			table.rawPut( "get_java_stack_trace_string", new LuanJavaFunction(
-				LuanException.class.getMethod( "getJavaStackTraceString" ), this
-			) );
-			metatable.rawPut( "__to_string", new LuanJavaFunction(
-				LuanException.class.getMethod( "getFullMessage" ), this
-			) );
-		} catch(NoSuchMethodException e) {
-			throw new RuntimeException(e);
-		}
-	}
-
 	public void throwThis() throws LuanException {
 		throw this;
 	}

diff -r 655280eab1e2 -r 4083f5a67c63 src/luan/LuanJavaFunction.java
--- a/src/luan/LuanJavaFunction.java	Tue Aug 30 01:29:33 2016 -0600
+++ b/src/luan/LuanJavaFunction.java	Tue Aug 30 12:00:38 2016 -0600
@@ -42,29 +42,13 @@
 			this.varArgCls = null;
 		}
 	}
-/*
-	private LuanJavaFunction(LuanJavaFunction f) {
-		this.method = f.method;
-		this.rtnConverter = f.rtnConverter;
-		this.takesLuaState = f.takesLuaState;
-		this.argConverters = f.argConverters;
-		this.varArgCls = f.varArgCls;
-	}
 
-	@Override public LuanJavaFunction shallowClone() {
-		return obj==null ? this : new LuanJavaFunction(this);
-	}
-
-	@Override public void deepenClone(LuanJavaFunction clone,DeepCloner cloner) {
-		clone.obj = cloner.get(obj);
-	}
-*/
 	@Override public String toString() {
 		return "java-function: " + method;
 	}
 
-	public Class[] getParameterTypes() {
-		return method.getParameterTypes();
+	public int getParameterCount() {
+		return argConverters.length;
 	}
 
 	@Override public Object call(LuanState luan,Object[] args) throws LuanException {
@@ -115,7 +99,7 @@
 	}
 
 	private void checkArgs(Object[] args) throws LuanException {
-		Class[] a = getParameterTypes();
+		Class[] a = method.getParameterTypes();
 		int start = takesLuaState ? 1 : 0;
 		for( int i=start; i<a.length; i++ ) {
 			Class paramType = a[i];

diff -r 655280eab1e2 -r 4083f5a67c63 src/luan/modules/JavaLuan.java
--- a/src/luan/modules/JavaLuan.java	Tue Aug 30 01:29:33 2016 -0600
+++ b/src/luan/modules/JavaLuan.java	Tue Aug 30 12:00:38 2016 -0600
@@ -364,7 +364,7 @@
 
 		AmbiguousJavaFunction(List<LuanJavaFunction> fns) {
 			for( LuanJavaFunction fn : fns ) {
-				Integer n = fn.getParameterTypes().length;
+				Integer n = fn.getParameterCount();
 				List<LuanJavaFunction> list = fnMap.get(n);
 				if( list==null ) {
 					list = new ArrayList<LuanJavaFunction>();