diff -r c7b3c327248a -r 357daf580951 src/luan/modules/http/LuanDomainHandler.java
--- a/src/luan/modules/http/LuanDomainHandler.java	Tue Jan 10 22:42:47 2023 -0700
+++ b/src/luan/modules/http/LuanDomainHandler.java	Tue Jan 24 16:30:29 2023 -0700
@@ -24,13 +24,17 @@
 
 	@Override public Handler newHandler(String domain) {
 		Luan luan = newLuan(domain);
-		return new LuanHandler(luan,domain);
+		return luan==null ? null : new LuanHandler(luan,domain);
 	}
 
 	protected Luan newLuan(final String domain) {
 		try {
 			Luan luan = new Luan();
-			init.call(luan);
+			Object rtn = init.call(luan,domain);
+			if( !(rtn instanceof Boolean) )
+				throw new LuanException("init must return boolean");
+			if( !(Boolean)rtn )
+				return null;
 			LuanFunction reset_luan = new LuanFunction() {
 				@Override public Object call(Luan luan,Object[] args) {
 					domainHandler.removeHandler(domain);