hadoop datanode unable to start. "does not contain a valid host:port authority" hadoop datanode unable to start. "does not contain a valid host:port authority" hadoop hadoop

hadoop datanode unable to start. "does not contain a valid host:port authority"


xml hadoop

There could be a problem with the naming convention of your node hostnames.Make sure they do not contain symbols like "_".Check Wikipedia for restrictions.

xml hadoop

Try to change the "master" to the actual ip address, in all your config files.

xml hadoop

You configed OK. You need run command "$HADOOP_HOME/bin/hdfs namenode -format master", after run command "$HADOOP_HOME/sbin/start-dfs"

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