Incorrect configuration: namenode address dfs.namenode.rpc-address is not configured

Question

I am getting this error when I try and boot up a DataNode. From what I have read, the RPC paramters are only used for a HA configuration, which I am not setting up (I think)

Answer 1

I was facing the same issue, formatting HDFS solved my issue. Don't format HDFS if you have important meta data.
Command for formatting HDFS: hdfs namenode -format

When namenode was not working

After formatting HDFS