diff -r 6cdc6ed98780 -r b99d7e355d4b src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java
--- a/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java	Thu Aug 08 10:10:38 2013 -0700
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java	Fri Aug 23 09:57:21 2013 +0100
@@ -94,11 +94,15 @@
 
     @SuppressWarnings({"StringEquality"})
     protected final void reportUnexpectedChildElement(TagName ea, boolean canRecover) throws SAXException {
-        if(canRecover && !UnmarshallingContext.getInstance().parent.hasEventHandler())
+        if (canRecover) {
             // this error happens particurly often (when input documents contain a lot of unexpected elements to be ignored),
             // so don't bother computing all the messages and etc if we know that
             // there's no event handler to receive the error in the end. See #286
-            return;
+            UnmarshallingContext context = UnmarshallingContext.getInstance();
+            if (!context.parent.hasEventHandler() // is somebody listening?
+                    || !context.shouldErrorBeReported()) // should we report error?
+                return;
+        }
         if(ea.uri!=ea.uri.intern() || ea.local!=ea.local.intern())
             reportError(Messages.UNINTERNED_STRINGS.format(), canRecover );
         else