compiling matlab appliocation jar in eclipse IDE with tomcat

org.apache.jasper.JasperException: An exception occurred processing JSP page /knot.jsp at line 51

48: finally { 49: //Dispose of the Deployed Component 50: // (necessary since this has native resources). 51: myDeployedComponent.dispose(); 52: } 53: %> 54: <wf:web-figure name="YourFigure1" scope="session"/>

Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:335) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) root cause

java.lang.NullPointerException org.apache.jsp.knot_jsp._jspService(knot_jsp.java:134) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:335) javax.servlet.http.HttpServlet.service(HttpServlet.java:725) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

while compiling i am facing this error.Could someone help me with this.