There are several ways, listed below, to get help from the Weka community. However, chances are good that the same problem has been encountered by someone else before and that the solution can be found in the online documentation or the searchable mailing list archive, so please consult these sources of information before posting a query. Please do not email individual members of our research group about Weka problems.The Weka mailing list forum for interaction among Weka project community members. IRC channel for discussing Weka
##weka on freenode.