HTTP Status 500 – Internal Server Error


Type Exception Report

Message An exception occurred processing [admit_card_law_clerk_2020.jsp] at line [31]

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

Exception

org.apache.jasper.JasperException: An exception occurred processing [admit_card_law_clerk_2020.jsp] at line [31]

28: Context initCtx = new InitialContext();
29: ResultSet rs = null, rs1 = null, rs2 = null, rs3 = null, rs4 = null;
30:       Context envCtx = (Context) initCtx.lookup("java:comp/env");
31:       DataSource ds = (DataSource) envCtx.lookup("jdbc/exam_ald");
32:       Connection con = ds.getConnection();
33:             /*String driver = "com.mysql.jdbc.Driver";
34:             Class.forName(driver);


Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:593)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:467)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	XXXXXXXXXXXXX.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:124)

Root Cause

XXXXXXXXXXXXX.ServletException: javax.naming.NameNotFoundException: Name [exam_ald] is not bound in this Context. Unable to find [exam_ald].
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:667)
	org.apache.jsp.admit_005fcard_005flaw_005fclerk_005f2020_jsp._jspService(admit_005fcard_005flaw_005fclerk_005f2020_jsp.java:506)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	XXXXXXXXXXXXX.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:444)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	XXXXXXXXXXXXX.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:124)

Root Cause

javax.naming.NameNotFoundException: Name [exam_ald] is not bound in this Context. Unable to find [exam_ald].
	org.apache.naming.NamingContext.lookup(NamingContext.java:817)
	org.apache.naming.NamingContext.lookup(NamingContext.java:159)
	org.apache.naming.NamingContext.lookup(NamingContext.java:827)
	org.apache.naming.NamingContext.lookup(NamingContext.java:173)
	org.apache.jsp.admit_005fcard_005flaw_005fclerk_005f2020_jsp._jspService(admit_005fcard_005flaw_005fclerk_005f2020_jsp.java:163)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	XXXXXXXXXXXXX.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:444)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
	XXXXXXXXXXXXX.http.HttpServlet.service(HttpServlet.java:741)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:124)

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


Apache Tomcat/9.0.5