Project works well on localhost with tomcat 8.0, 9.0 but when i deployed it to server using .war file , the index.jsp page unable to find the class method and gives error My java class file FunUtils.java
package com.demojsp.net;
public class FunUtils {
public static String makeItLower(String data)
{
return data.toLowerCase();
}
}
My jsp Page index.jsp
<%@page import="com.demojsp.net.*"%>
<html>
<body>
Let's have some fun<%=FunUtils.makeItLower("JITENDRA KURMI") %>
</body>
</html>
Error which i received on live server
type Exception report
message An exception occurred processing JSP page /index.jsp at line 4
description The server encountered an internal error that prevented it from fulfilling this request.
org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 4
1: <%@page import="com.demojsp.net.*"%>
2: <html>
3: <body>
4: Let's have some fun<%=FunUtils.makeItLower("JITENDRA KURMI") %>
5: </body>
6: </html>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:579)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:461)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
javax.servlet.ServletException: java.lang.UnsupportedClassVersionError: com/demojsp/net/FunUtils
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:909)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:838)
org.apache.jsp.index_jsp._jspService(index_jsp.java:130)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause
java.lang.UnsupportedClassVersionError: com/demojsp/net/FunUtils
org.apache.jsp.index_jsp._jspService(index_jsp.java:115)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.48 logs.