called when the web application is being destroyed . calls filecleaningtracker #exitwhenfinished . concode_field_sep String FILE_CLEANING_TRACKER_ATTRIBUTE concode_field_sep FileCleaningTracker getFileCleaningTracker concode_elem_sep void setFileCleaningTracker concode_elem_sep void contextInitialized
void function ( ServletContextEvent arg0 ) { getFileCleaningTracker ( arg0 . getServletContext ( ) ) . exitWhenFinished ( ) ; }