com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:188)

com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)

<b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p>\r

com.alibaba.fastjson.serializer.JSONSerializer.write(JSONSerializer.java:369)

org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)

org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)

com.alibaba.fastjson.serializer.SerializeWriter.writeStringWithDoubleQuote(SerializeWriter.java:602)