Previous versions of the DocumentReference allow for xml, but with 8.2, you need to send your document within the text property.
Look at "LCDS-325" at http://help.adobe.com/en_US/
I have been specializing in building web-based applications since 1998, primarily using HTML, Flex, LiveCycle, Java, ColdFusion, and SQL Server. You found yourself here, so hopefully you'll get something good out of it! Enjoy...
You should then be able to stop and start the services and connect with the correct password. You can normally pull your username password from C:\Adobe\LiveCycle8.2\jboss\server\all\deploy\adobe_ds.xml if you're not sure what it is after going through the generic install.
This however doesn't solve all my issues, as my "default" account doesn't have the same privileges as say the root account would, but then again, the root account doesn't seem to exist...