public final void clear ( ) throws IOException { if ( ( bufferSize == 0 ) && ( out != null ) ) // clear() is illegal after any unbuffered output (JSP.5.5) throw new IllegalStateException ( "jsp.error.ise_on_clear" ) ; if ( flushed ) throw new IOException ( "jsp.error.attempt_to_clear_flushed_buffer" ) ; // defect 312981 begin //ensureOpen(); if ( closed ) { throw new IOException ( "Stream closed" ) ; } // defect 312981 end nextChar = 0 ; }
Discard the output buffer .