Everywhere encoding is UTF-8, but are bugs written in Postgresql?

Question

PostgreSQL

If you manually record data, everything is fine, but if through the created site, then bugs are written to the database.

CREATE DATABASE customs
    WITH 
    OWNER = postgres
    ENCODING = 'UTF8'
    LC_COLLATE = 'Russian_Russia.1251'
    LC_CTYPE = 'Russian_Russia.1251'
    TABLESPACE = pg_default
    CONNECTION LIMIT = -1;

In every JSP

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"%>

I still get this data: ааа

Answer 1

LC_COLLATE = 'Russian_Russia.1251'
LC_CTYPE = 'Russian_Russia.1251'

Try writing RU_ru.utf-8

Answer 2

Far from Java, but you specify LC_CTYPE and LC_COLLATE = 1251 instead of UTF8.