Apache OODT has a dedicated community based globally. To keep in contact they make use of a variety of tools.
Apache OODT runs a mailing list for general communication and development chat. To ask questions about Apache OODT join the dev@oodt.apache.org mailing list and say hello!
We also have an OODT IRC channel for real time OODT discussion, you can find this on Freenode at #oodt.
If you don't haven an IRC client installed, you can still join the channel using the webchat to stop by and introduce yourself!