Struts Problem Report

Stacktraces

There is no Action mapped for namespace / and action name mobile. - [unknown location]
    com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:178)
    org.apache.struts2.impl.StrutsActionProxy.prepare(StrutsActionProxy.java:61)
    org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:39)
    com.opensymphony.xwork2.DefaultActionProxyFactory.createActionProxy(DefaultActionProxyFactory.java:47)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
    org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:434)
    weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
    weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3706)
    weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3672)
    weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:344)
    weblogic.security.service.SecurityManager.runAsForUserCode(SecurityManager.java:197)
    weblogic.servlet.provider.WlsSecurityProvider.runAsForUserCode(WlsSecurityProvider.java:203)
    weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:71)
    weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2443)
    weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2291)
    weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2269)
    weblogic.servlet.internal.ServletRequestImpl.runInternal(ServletRequestImpl.java:1705)
    weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1665)
    weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:272)
    weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:352)
    weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:337)
    weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:57)
    weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41)
    weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:652)
    weblogic.work.ExecuteThread.execute(ExecuteThread.java:420)
    weblogic.work.ExecuteThread.run(ExecuteThread.java:360)