i write some my event then i post it into EventQueue, but when i run my program it throw some system errors: unable to dispatch event: [error] sunyard.sax.event.StartEntityEvent[] on <AAA ></AAA> unable to dispatch event: sunyard.sax.event.ValueEntityEvent[] on <AAA > aaa</AAA> unable to dispatch event: sunyard.sax.event.EndEntityEvent[] on </AAA ><//AAA> [/error] what's my problem ? thank you !