diff -r 859804c78010 -r d39fbe061519 rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java
--- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java	Thu Mar 14 09:22:28 2013 +0100
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java	Wed Mar 20 11:53:10 2013 +0100
@@ -21,7 +21,6 @@
 import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.Method;
-import java.net.URLClassLoader;
 import org.apidesign.vm4brwsr.Bck2Brwsr;
 
 /** An abstraction for executing tests in a Bck2Brwsr virtual machine.
@@ -101,7 +100,7 @@
      * @return interface that allows one to stop the server
      * @throws IOException if something goes wrong
      */
-    public static Closeable showURL(URLClassLoader classes, String startpage) throws IOException {
+    public static Closeable showURL(ClassLoader classes, String startpage) throws IOException {
         Bck2BrwsrLauncher l = new WebViewLauncher();
         l.addClassLoader(classes);
         l.showURL(startpage);