500 Servlet Exception Error (Resin)

I obtained this error when i try to access the airtel live webpage by using its ip address.I think this error is because the mentioned ip is only supported to view in mobile.

500 Servlet Exception

java.lang.NoClassDefFoundError
 at _jsp._index__jsp._jspService(index.jsp:2)
 at com.caucho.jsp.JavaPage.service(JavaPage.java:60)
 at com.caucho.jsp.Page.pageservice(Page.java:570)
 at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:179)
 at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:173)
 at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229)
 at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:274)
 at com.caucho.server.port.TcpConnection.run(TcpConnection.java:511)
 at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:520)
 at com.caucho.util.ThreadPool.run(ThreadPool.java:442)
 at java.lang.Thread.run(Thread.java:595)

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Resin-3.0.22 (built Mon, 13 Nov 2006 09:32:38 PST)