Effective in version 9.6.0, you must re-create HDFS connections using the NameNode URI property. Previously, HDFS connection properties Host Name and HDFS port was used to create HDFS connections. If you are upgrading from a previous release, you must re-create HDFS connections.
When you configure an HDFS connection, the default Hadoop distribution is Cloudera distribution. Previously, the default was Apache distribution.