diff -r c3c30f25c723 -r 0eec1b51c13c rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/Console.java
--- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/Console.java	Tue Apr 02 15:52:25 2013 +0200
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/Console.java	Sun Apr 07 15:24:45 2013 +0200
@@ -250,6 +250,9 @@
                     res = found.invoke(c.newInstance());
                 }
             } catch (Throwable ex) {
+                if (ex instanceof InvocationTargetException) {
+                    ex = ((InvocationTargetException)ex).getTargetException();
+                }
                 res = ex.getClass().getName() + ":" + ex.getMessage();
             }
         } else {