/opt/openfire/conf/openfire.xml строка кодировки имен пользователей

open

nano /opt/openfire/conf/openfire.xml

search string

 jdbc:mysql://127.0.0.1:3306/openfire

edit

      jdbc:mysql://127.0.0.1:3306/openfire?characterEncoding=UTF-8

/etc/init.d/openfire restart