QuickFIX/J issues can be discussed on the mailing lists hosts at the SourceForge project site.
More information about QuickFIX/J can be found at the quickfixj.org web site.
More information about the original C++ QuickFIX can be found at the quickfixengine.org web site.
More information about the FIX protocol can be found at the FIX Protocol Limited web site.