<dependency>  
   <groupId>com.caucho</groupId>  
    <artifactId>hessian</artifactId>  
    <version>4.0.38</version>
</dependency>

public interface HelloWorldService {
  String sayHello(String name);
}
@Service("HelloWorldService")
public class HelloWorldServiceImpl implements HelloWorldService {
  @Override
  public String sayHello(String name) {
    return "Hello World! " + name;
  }
}
@SpringBootApplication
public class HessianServerApplication {
  @Autowired
  private HelloWorldService helloWorldService;
  public static void main(String[] args) {
    SpringApplication.run(HessianServerApplication.class, args);
  }
//发布服务
  @Bean(name = "/HelloWorldService")
  public HessianServiceExporter accountService() {
    HessianServiceExporter exporter = new HessianServiceExporter();
    exporter.setService(helloWorldService);
    exporter.setServiceInterface(HelloWorldService.class);
    return exporter;
  }
}

public interface HelloWorldService {
  String sayHello(String name);
}
@SpringBootApplication
public class HessianClientApplication {
  @Bean
  public HessianProxyFactoryBean helloClient() {
    HessianProxyFactoryBean factory = new HessianProxyFactoryBean();
    factory.setServiceUrl("http://localhost:8090/HelloWorldService");
    factory.setServiceInterface(HelloWorldService.class);
    return factory;
  }
  public static void main(String[] args) {
    SpringApplication.run(HessianClientApplication.class, args);
  }
}
@RestController
public class TestController {
  @Autowired
  private HelloWorldService helloWorldService;
  @RequestMapping("/test")
  public String test() {
    return helloWorldService.sayHello("Spring boot with Hessian.");
  }
}

<dependency>
     <groupId>com.caucho</groupId>
     <artifactId>hessian</artifactId>
     <version>4.0.37</version>
  </dependency>