--- a/jdk/test/java/util/logging/LogManagerInstanceTest.java	Mon Jul 01 17:46:12 2013 -0700
+++ b/jdk/test/java/util/logging/LogManagerInstanceTest.java	Tue Jul 02 11:30:31 2013 +0200
@@ -63,7 +63,7 @@
                 if (!super.addLogger(root))
                     throw new RuntimeException("Fail to addLogger " + root);
             } else {
-                System.out.println("Root logger already exists");
+                throw new RuntimeException("Root logger already exists");
             }
             this.base = root;
         }