String trid=request.getSession().getAttribute("trid").toString();if("".equals(trid)){response.sendRedirect("login.jsp");}int user_trid=Integer.parseInt(trid);System.out.println(user_trid);ci.adp.Table table = ci.adp.Table.getInstance("UT_JCW_SERVE");DataRow row_one=Table.getInstance("ut_jcw_facilitor").queryDataRow("USERID="+user_trid+" AND PUBSTATE='已發(fā)布'");DataRow row_two=table.newDataRow();row_two.setValue("SSCID", row_one.getValueInt("TRID"));最后一行row_one.getValueInt("TRID")，總是報空指針錯誤，不知道什么原因。