[GitHub] kimmking edited a comment on issue #2083: dubbo返回值不能序列化

[GitBox <gi...@apache.org>]

kimmking edited a comment on issue #2083: dubbo返回值不能序列化
URL: https://github.com/apache/incubator-dubbo/issues/2083#issuecomment-405658485
 
 
   My suggestion is that you should implement a POJO to contains all data you need as the return value type of exported services.
   For example: If you need some bytes in GridFSDBFile/inputStream, you should define a service method like:
   ```
   public byte[] findFileById(String id); 
   // in implement class method 
   // read byte[] from GridFSDBFile object by MongoDB api
   ```
   or
   ```
   public String findFileById(String id); //return base64 string for bytes
   ```
   
   

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