NPE in AsyncKuduClient from Spark

scala> kuduDataFrame.count()
16/05/26 18:36:31 WARN scheduler.TaskSetManager: Lost task 220.0 in stage 4.0 (TID 1417, e1313.halxg.cloudera.com): java.lang.NullPointerException
	at org.kududb.client.AsyncKuduClient$RemoteTablet.addTabletClient(AsyncKuduClient.java:1929)
	at org.kududb.client.AsyncKuduClient$RemoteTablet.refreshTabletClients(AsyncKuduClient.java:1897)
	at org.kududb.client.AsyncKuduClient.discoverTablets(AsyncKuduClient.java:1309)
	at org.kududb.client.AsyncKuduClient$MasterLookupCB.call(AsyncKuduClient.java:1232)
	at org.kududb.client.AsyncKuduClient$MasterLookupCB.call(AsyncKuduClient.java:1224)
	at com.stumbleupon.async.Deferred.doCall(Deferred.java:1278)
	at com.stumbleupon.async.Deferred.runCallbacks(Deferred.java:1257)
	at com.stumbleupon.async.Deferred.callback(Deferred.java:1005)
	at org.kududb.client.KuduRpc.handleCallback(KuduRpc.java:194)
	at org.kududb.client.KuduRpc.callback(KuduRpc.java:207)
	at org.kududb.client.TabletClient.decode(TabletClient.java:477)
	at org.kududb.client.TabletClient.decode(TabletClient.java:83)