nvoke(DefaultActionInvocation.java:248) org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248).opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248).opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248).opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:142).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248).opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:166).opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248).opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248).opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248).opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187).opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248) org.apache.struts2.impl.StrutsActionProxy.