Always Groovy. Not tried with java. But client 1.4 is working. And I've never heard that Groovy could possibly interfere. I will check it with plain java but do not expect much. -- View this message in context: http://riak-users.197444.n3.nabble.com/Java-MR-tp4032117p4032212.html Sent from the Riak Users mailing list archive at Nabble.com.