連線失敗！！org.apache.jasper.JasperException: An exception occurred processing JSP page /syllabusTop.jsp at line 48 45: if (courseType == null) 46: courseType = ""; 47: 48: String courseCode = cofcsnoOutlineBean.getCourseCode() == null ? "" : cofcsnoOutlineBean.getCourseCode(); 49: String optionCode = ""; 50: String courseKind = ""; 51: String credit = ""; Stacktrace: