Problem - Mailing list pgsql-jdbc

I problem, in my application storage word with accent example "descripci�n" and view "descripci?n". I use servlet and connection jdbc.

Anytimes in bd have word with accent "correcci�n" but read servlet view "correcci?n"

Use linux 7.3, and postgres this version.

After funtion ok in linux 7.1 and this version, i not understand the problem.

Is linux ? is postgres ? is java-servlets?

Thanks..

sorry for my english