Issues when deploying with Struts 2 web app

问题

I am facing this error when running a web app in the Container. Expecting some help on the right direction to approach this issue.

Caused by:

Bean type class com.opensymphony.xwork2.ObjectFactory with the name xwork has already been loaded by bean - bundleresource://16756.fwk1755001097:42/struts-default.xml:29:72 - bean - jar:file:/C:/XXX/XXX/configuration/org.eclipse.osgi/bundles/16756/29/bundlefile/WEB-INF/lib/struts2-core-2.2.1.1.jar!/struts-default.xml:29:72
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:205)
... 107 more

来源：https://stackoverflow.com/questions/18981530/issues-when-deploying-with-struts-2-web-app