fastjson.serializer.jsonserializer.write(jsonserializer.java:369)
com.alibaba.fastjson.json.tojsonstring(json.java:418)
com.alibaba.fastjson.json.tojsonstring(json.java:406)
coction.execute(action.java:68)
sun.reflect.generatedmethodaccessor38.invoke(unknownsource)
sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)
java.ng.reflect.method.invoke(method.java:606)
com.opensymphony.xwork2.defaultactioninvocation.invokeaction(defaultactioninvocation.java:452)
com.opensymphony.xwork2.defaultactioninvocation.invokeactiononly(defaultactioninvocation.java:291)
com.opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:254)
com.opensymphony.xwork2.interceptor.defauorkflowinterceptor.dointercept(defauorkflowinterceptor.java:176)
com.opensymphony.xwork2.interceptor.methodfilterinterceptor.intercept(methodfilterinterceptor.java:98)
com.opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:248)
com.opensymphony.xwork2.validator.validationinterceptor.dointercept(validationinterceptor.