Hello, I'm receiving this same error as well, but for a different port - 1019, not 50010. I suppose this can be classified as the same? ERROR datanode.DataNode (DataXceiver.java:run(278)) - sohc2v11-16.sohprod.local:1019:DataXceiver error processing unknown operation src: /30.177.244.16:42604 dst: /30.177.244.16:1019 Thanks and Regards, Braz ... View more