diff -r 08ffdc3938e7 -r 2f42cd9b5531 launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- a/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Wed Jan 23 13:18:46 2013 +0100
+++ b/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Fri Jan 25 10:51:20 2013 +0100
@@ -122,7 +122,7 @@
         }
     }
     
-    private HttpServer initServer() {
+    private HttpServer initServer() throws IOException {
         HttpServer s = HttpServer.createSimpleServer(".", new PortRange(8080, 65535));
 
         final ServerConfiguration conf = s.getServerConfiguration();
@@ -410,17 +410,19 @@
     }
 
     private static class VM extends HttpHandler {
-        private final Res loader;
+        private final String bck2brwsr;
 
-        public VM(Res loader) {
-            this.loader = loader;
+        public VM(Res loader) throws IOException {
+            StringBuilder sb = new StringBuilder();
+            Bck2Brwsr.generate(sb, loader);
+            this.bck2brwsr = sb.toString();
         }
 
         @Override
         public void service(Request request, Response response) throws Exception {
             response.setCharacterEncoding("UTF-8");
             response.setContentType("text/javascript");
-            Bck2Brwsr.generate(response.getWriter(), loader);
+            response.getWriter().write(bck2brwsr);
         }
     }
     private static class VMInit extends HttpHandler {