nerrorinterceptor.intercept(conversionerrorinterceptor.java:133).opensyctioninvocation.invoke(defaultactioninvocation.java:248).opensymphony.xwork2.interceptor.parametersinterceptor.dointercept(parametersinterceptor.java:207).opensyethodfilterinterceptor.intercept(methodfilterinterceptor.java:98).opensyctioninvocation.invoke(defaultactioninvocation.java:248).opensymphony.xwork2.interceptor.parametersinterceptor.dointercept(parametersinterceptor.java:207).opensyethodfilterinterceptor.intercept(methodfilterinterceptor.java:98).opensyctioninvocation.invoke(defaultactioninvocation.java:248).opensymphony.xwork2.interceptor.staticparametersinterceptor.intercept(staticparametersinterceptor.java:190).opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.terceptor.intercept(terceptor.java:75).opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.checkboxinterceptor.intercept(checkboxinterceptor.java:94).opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.fileuploadinterceptor.intercept(fileuploadinterceptor.java:243).opensyctioninvocation.invoke(defaultactioninvocation.j