Very simple Spring MVC configuration error. What is wrong int my web.xml and dependent servlet config file

My web app works ok, but I get following error while loading it in Tomcat 8 from eclipse 4.4. So what is wrong? Is something wrong with my config or anything with tomcat?

Nov 16, 2014 11:59:45 AM org.apache.catalina.core.StandardContext loadOnStartup SEVERE: Servlet /zhelloweb threw load() exception java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet at

org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1295) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1147)

Here is web.xml:-

http://ift.tt/1A26D8D

here is app context.xml:-

http://ift.tt/1A26D8F

Sorry I couldn't post a xml formatted syntax here: