連線失敗！！org.apache.jasper.JasperException: An exception occurred processing JSP page /syllabusTop.jsp at line 50 47: if (courseType == null) 48: courseType = ""; 49: 50: String courseCode = cofcsnoOutlineBean.getCourseCode() == null ? "" : cofcsnoOutlineBean.getCourseCode(); 51: String optionCode = ""; 52: String courseKind = ""; 53: String credit = ""; Stacktrace: