restful api get key result is null,but java thin clien get key has result

[wkhapy...@163.com]

hello:
i use java thin client insert a class type key
like below
public class ContactKey {
    private Long id;}and i put contactKey in ignite/libs dir.when i use java 
thin client call get has result.but when i use restful api call get ,it result 
is null.i use restful scan it also has result.how can i fix issue


wkhapy...@163.com