HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [ket-ban/down_left_frame.jsp] at line [23]

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

Exception

org.apache.jasper.JasperException: An exception occurred processing [ket-ban/down_left_frame.jsp] at line [23]

20: 	
21: 	}
22: 	int numOfDay = 30;
23: 	int totalRows = ketbanDAO.countMember(intSex, numOfDay);
24: 	
25: 	String sPage  = request.getParameter("page");
26:     String sRows  = request.getParameter("rows");


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
	inet.jopenid.filter.EncodingFilter.doFilter(EncodingFilter.java:24)

Root Cause

java.lang.NullPointerException
	inet.db.ketban.KBDAO.countMember(KBDAO.java:627)
	org.apache.jsp.ket_002dban.down_005fleft_005fframe_jsp._jspService(down_005fleft_005fframe_jsp.java:158)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
	inet.jopenid.filter.EncodingFilter.doFilter(EncodingFilter.java:24)

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


Apache Tomcat/9.0.53