Caused by: Bean type class com.opensymphony.xwork2.ObjectFactory with the name xwork has already been loaded by bean - jar:file:/D:/MyEclipse%208.5/.metadata/.me_tcat/webapps/ROOT/WEB-INF/lib/struts2-core-2.2.1.jar!/struts-default.xml:29:72 - bean - jar:file:/D:/MyEclipse%208.5/.metadata/.me_tcat/webapps/ROOT/WEB-INF/lib/struts2-core-2.3.4.1.jar!/struts-default.xml:29:72