diff -r 83f4aa79c130 -r 1ea155524be4 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/Knockout.java
--- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/Knockout.java	Sun Apr 14 11:52:36 2013 +0200
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/Knockout.java	Sun Apr 14 12:03:15 2013 +0200
@@ -109,12 +109,12 @@
     }
 
     public void valueHasMutated(String prop) {
-        LOG.log(Level.FINE, "property mutated: {0}", prop);
+        LOG.log(Level.INFO, "property mutated: {0}", prop);
         try {
             JSObject koProp = (JSObject) ((JSObject) model).getMember(prop);
             koProp.call("valueHasMutated");
         } catch (Throwable t) {
-            LOG.log(Level.FINE, "valueHasMutated failed for {0}", model);
+            LOG.log(Level.WARNING, "valueHasMutated failed for {0}", model);
         }
     }