You should join the mailing list and check out the wiki both are
available as links from the main geotools webpage:
To talk to real live people show up a little bit before the weekly IRC
meeting, we often chat a bit before starting up the meeting. For
directions on the IRC please check out the developers guide - the one on
the wiki is a bit more up to data
Oh look - it has information about the mailing lists too.
>Greetings, I'm working in a project in which we are using GeoTools2 as the
>component to render the maps. Can you suggest me a place like a forum or a
>mailinglist where I can send help request and discuss on GT2 ?
>Thanks in advance, bye