[GitHub] [servicecomb-java-chassis] yhs0092 commented on issue #1213: rpc提供方方法重名，消费方调用时，会报方法名找不到的错误

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yhs0092 commented on issue #1213: rpc提供方方法重名，消费方调用时，会报方法名找不到的错误
URL: https://github.com/apache/servicecomb-java-chassis/issues/1213#issuecomment-494630085
 
 
   按照你的描述，我尝试复现了一下问题
   服务端REST 接口类定义：
   ```java
   @RestSchema(schemaId = "RpcApi")
   public class RpcApi {
   
     private static final Logger LOGGER = LoggerFactory.getLogger(RpcApi.class);
   
     @ApiOperation(value = "", nickname = "sayHi")
     public void sayHi() {//do something
       LOGGER.info("sayHi!!!");
     }
   
     @ApiOperation(value = "", nickname = "sayHiWithParam")
     public void sayHi(String content) {//do something
       LOGGER.info("sayHi[{}]", content);
     }
   }
   ```
   客户端定义服务端接口代码：
   ```java
   public interface RpcApi {
   
     void sayHi();
   
     void sayHiWithParam(String content);
   }
   ```
   客户端调用代码：
   ```java
     @RpcReference(microserviceName = "provider", schemaId = "RpcApi")
     RpcApi rpcApi;
   
     @Path("test")
     @GET
     public String test() {
       String result = "";
       rpcApi.sayHi();
       result += "OK";
       rpcApi.sayHiWithParam("test");
       result += "OK";
       return result;
     }
   ```
   如果按照以上代码运行的话，调用客户端的test方法能够得到"OKOK"的响应，服务端的日志也说明请求能够正常地接收到。
   
   但是如果客户端使用的`RpcApi`接口定义改为下面这样的话，会碰到问题：
   ```java
   public interface RpcApi {
     @ApiOperation(value = "", nickname = "sayHi")
     void sayHi();
   
     @ApiOperation(value = "", nickname = "sayHiWithParam")
     void sayHi(String content);  // 这里两个方法是同名的，只依靠@ApiOperation注解来区分的话会有问题
   }
   ```
   
   总的来说我们**建议用户在定义REST接口的时候保持每个接口方法的方法名在当前接口类中是唯一的**，如果您真的有无法规避的要求，必须将服务端接口定义为同名的话，可以考虑我上面给出的例子 : )

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