src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java

*** 92,106 ****
          state.receiver = null;
      }
  
      @SuppressWarnings({"StringEquality"})
      protected final void reportUnexpectedChildElement(TagName ea, boolean canRecover) throws SAXException {
!         if(canRecover && !UnmarshallingContext.getInstance().parent.hasEventHandler())
              // 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;
          if(ea.uri!=ea.uri.intern() || ea.local!=ea.local.intern())
              reportError(Messages.UNINTERNED_STRINGS.format(), canRecover );
          else
              reportError(Messages.UNEXPECTED_ELEMENT.format(ea.uri,ea.local,computeExpectedElements()), canRecover );
      }
--- 92,110 ----
          state.receiver = null;
      }
  
      @SuppressWarnings({"StringEquality"})
      protected final void reportUnexpectedChildElement(TagName ea, boolean canRecover) throws SAXException {
!         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
+             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
              reportError(Messages.UNEXPECTED_ELEMENT.format(ea.uri,ea.local,computeExpectedElements()), canRecover );
      }