This is documentation for MapR Version 5.0. You can also refer to MapR documentation for the latest release.

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The following cases provide configuration instructions for various combinations of secure and insecure non-secure MapR and HDFS clusters:

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Case 1:

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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:

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Launch any commands that need to access the HDFS cluster with the “HADOOP_OPTS=-Dhadoop.login=hybrid” Java property.

Case 5:

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Non-Secure MapR Cluster with Secure HDFS Cluster

This case is not supported. Insecure Non-secure MapR clusters cannot connect to secure HDFS clusters.

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