HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [/jayjunmedia/withstar/read.jsp] at line [16]

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.apache.jasper.JasperException: An exception occurred processing [/jayjunmedia/withstar/read.jsp] at line [16]

13: 	NoticeVO param = NoticeVO.getParam(pageRows, tablename, request);
14: 	NoticeDAO nd = NoticeDAO.getInstance();
15: 	HospitalDAO hdao = HospitalDAO.getInstance();
16: 	NoticeVO data = nd.read(param, userCon);
17: 
18: 	ArrayList<NoticeVO> list = nd.list(param);
19: 	int[] rowPageCount = nd.count(param);


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:617)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:514)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:37)

Root Cause

java.lang.NullPointerException
	com.vizensoft.board.notice.NoticeDAO.read(NoticeDAO.java:176)
	org.apache.jsp.jayjunmedia.withstar.read_jsp._jspService(read_jsp.java:239)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:476)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:37)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/8.5.47