Unicode in Java EE and save question mark in database

Question

When I insert persian information using Java EE 6 (JSF and JPA) my information save question mark for example "علی" ===> "???" my database is Mysql and my table is UTF-8 . when insert persian data directly in database is correct and save correct.

I know that with change one property in Java EE my problem go to solved but I don`t know where is it?

Answer 1

我认为您需要在连接URL中设置以下参数：

jdbc:mysql://host:port/db?useUnicode=true&characterEncoding=UTF-8

Answer 2

with change in my.cnf (mysql configure file) in /etc/mysql (linux) and add this 2 tag solved my problem

default-character-set=utf8
default-collation=utf8_persian_ci