Now I came out of the safe mode through admin command. I tried to put a file into hdfs and encountered this error.
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/hadoop/hosts could only be replicated to 0 nodes, instead of 1
Any hint to fix this,
This happens when the namenode is not datanode. Am I making sense?
With thanks and regards
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