curl -H "Content-Type: application/json" localhost:8080/api/delete

{"timestamp":"2020-01-08T04:35:00.696+0000","status":405,"error":"Method Not Allowed","message":"Request method 'GET' not supported","trace":"org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'GET' not supported\r\n\tat org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.handleNoMatch

@DeleteMapping("/api/delete")
    public String clearBase() {
        messageService.deleteMessages();
        return "Все сообщения были удалены";
    }
}

@Query(value = "DELETE * FROM chatMessages", nativeQuery = true)
    void clearBase();

{"timestamp":"2020-01-08T06:27:50.502+0000","status":500,"error":"Internal Server Error","message":"could not extract ResultSet; nested exception is org.hibernate.exception.GenericJDBCException: could not extract ResultSet","trace":"org.springframework.orm.jpa.JpaSystemException: could not extract ResultSet; nested exception is org.hibernate.exception.GenericJDBCException: could not extract ResultSet\r\n\tat org.springframework.orm.jpa.vendor.Hi

curl -X DELETE "Content-Type: application/json" localhost:8080/api/delete

  @Modifying
    @Query(value = "DELETE FROM chatMessages", nativeQuery = true)
    void clearBase();
}