The following cases provide configuration instructions for various combinations of secure and insecure non-secure MapR and HDFS clusters:
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Non-Secure MapR and HDFS Clusters
If the MapR and HDFS cluster are both insecurenon-secure, verify that the
fs.hdfs.impl property in the
$HADOOP_HOME/conf/core-site.xml file has the following value:
Launch any commands that need to access the HDFS cluster with the
“HADOOP_OPTS=-Dhadoop.login=hybrid” Java property.
Non-Secure MapR Cluster with Secure HDFS Cluster
This case is not supported. Insecure Non-secure MapR clusters cannot connect to secure HDFS clusters.