Rowanto Luo


Just another blog. or log.


Tag: namenode


  1. Why Datanode is Denied Communication With Namenode

    So for those trying to setup HDFS out there, and are struggling with this kind of error where it said datanode denied communication with namenode: 2015-05-07 08:04:19,694 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool BP-1184863888-172.17.0.3-1430984962919 (Datanode Uuid null) service to dockernamenode.…

    hadoop, hdfs, datanode, namenode, error