com.alibaba.fastjson.serializer.StringCodec.write(StringCodec.java:34)
com.alibaba.fastjson.JSON.toJSONString(JSON.java:406)
com.alibaba.fastjson.serializer.JSONSerializer.write(JSONSerializer.java:369)
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)
com.alibaba.fastjson.serializer.StringCodec.write(StringCodec.java:49)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)