fileuploadinterceptor.intercept(fileuploadinterceptor.java:243) com.opensyctioninvocation.invoke(defaultactioninvocation.java:248) com.opensyodeldriveninterceptor.intercept(modeldriveninterceptor.java:100) com.opensyctioninvocation.invoke(defaultactioninvocation.java:248) com.opensymphony.xwork2.interceptor.