I fixed it. If you get this error java.lang.ClassNotFoundException: org.apache.
struts2.dispatcher.FilterDispatcher that means. there are struts2 jar wich miss in the build path and WEB-INF\lib. The same issue for all
java.lang.ClassNotFoundException: org.apache.
word.dispatcher.FilterDispatcher; Just need to add search
word corresponding jar on google. and add it to the build path and lib folder.
Hope, it will help