KYLIN-3187 Forbid calls to JDK APIs that use the default locale

[hit-lacus]

Fix encode bugs.

[asfgit]

Can one of the admins verify this patch?

[hit-lacus]

select uid, act_type, count(*)  as cnt
from useraction as ua 
where act_type > '播放'
group by uid, act_type
order by uid, act_type;

This sql query result is correct compare Kylin with Hive.