-1
I 라인의 경우 다음과 같은 오류자바 dispatcher.forward 던져 널 (null) 예외
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error() that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:548)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:471)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
ahp.CompareCriterionSlider.doGet(CompareCriterionSlider.java:35)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
java.lang.NullPointerException
org.apache.jsp.CompareCriterionSlider_jsp._jspService(CompareCriterionSlider_jsp.java:91)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:433)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
ahp.CompareCriterionSlider.doGet(CompareCriterionSlider.java:35)
javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
있어 : 나는에 CompareCriterionSlider.jsp
dispatcher.forward(request, response);
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
HttpSession session = request.getSession(true);
session.setAttribute("criterions", CriterionRecommander.values());
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/CompareCriterionSlider.jsp");
dispatcher.forward(request, response);
}
을 가지고있는 내가 휴식을 설정하려고 WebContent/
디렉토리 포인트 그것을 디버깅하지만 일식 (버전 : 인디고 서비스 릴리스 2) 날 준다 : Source not found.
이유가 무엇인지 신경 써 주신 분은 누구입니까?