n.invokeactiononly(defaultactioninvocation.java:291)

  .opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:254)

  .opensymphony.xwork2.interceptor.defaultworkflowinterceptor.dointercept(defaultworkflowinterceptor.java:176)

  .opensymphony.xethodfilterinterceptor.intercept(methodfilterinterceptor.java:98)

  .opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)

  .opensymphony.xwork2.validator.validationinterceptor.dointercept(validationinterceptor.java:263)

  org.apache.struts2.interceptor.validation.annotationvalidationinterceptor.dointercept(annotationvalidationinterceptor.java:68)

  .opensymphony.xethodfilterinterceptor.intercept(methodfilterinterceptor.java:98)

  .opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)

  .opensymphony.xwork2.interceptor.conversionerrorinterceptor.intercept(conversionerrorinterceptor.java:133)

  .opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)

  .opensymphony.xetersinterceptor.dointercept(parametersinterceptor.java:207)

  .opensymphony.xethodfilterinterceptor.intercept(methodfilterinterceptor.java:98)

  .opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)

  .opensymphony.xetersinterceptor.dointercept(parametersinterceptor.java:207)

  .opensymphony.xethodfilterinterceptor.intercept(methodfilterinterceptor.java: