#fix controllers

src/main/java/ru/ulstu/core/controller/AdviceController.java

@@ -6,6 +6,7 @@ import org.springframework.validation.FieldError;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestController;
 import ru.ulstu.core.error.EntityIdIsNullException;
 import ru.ulstu.core.model.ErrorConstants;
 import ru.ulstu.core.model.response.Response;
@@ -23,6 +24,7 @@ import ru.ulstu.user.error.UserResetKeyError;
 import java.util.Set;
 import java.util.stream.Collectors;
 
+@RestController
 @ControllerAdvice
 public class AdviceController {
     private final Logger log = LoggerFactory.getLogger(AdviceController.class);

src/main/java/ru/ulstu/paper/controller/PaperController.java

@@ -33,8 +33,6 @@ import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.springframework.util.StringUtils.isEmpty;
 
 
-@Controller()
-@RequestMapping(value = "/papers")
 @ApiIgnore
 public class PaperController {
     private final PaperService paperService;