ERROR Dispatcher Dispatcher initialization failed
com.opensymphony.xwork2.inject.DependencyException: Dependency mapping for [type=java.lang.String, name='struts.devMode'] already exists.
at com.opensymphony.xwork2.inject.ContainerBuilder.checkKey(ContainerBuilder.java:108)
at com.opensymphony.xwork2.inject.ContainerBuilder.factory(ContainerBuilder.java:83)
at com.opensymphony.xwork2.inject.ContainerBuilder.constant(ContainerBuilder.java:517)
at com.opensymphony.xwork2.inject.ContainerBuilder.constant(ContainerBuilder.java:398)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.createBootstrapContainer(DefaultConfiguration.java:284)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:159)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:63)
at org.apache.struts2.dispatcher.Dispatcher.getContainer(Dispatcher.java:960)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:466)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:499)
at org.apache.struts2.dispatcher.InitOperations.initDispatcher(InitOperations.java:75)
at org.apache.struts2.dispatcher.listener.StrutsListener.contextInitialized(StrutsListener.java:46)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4745)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5207)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)