For information about connecting to a secured cluster, have a look at our Kerberos blog post.
You’ll find detailed setup instructions for your Spark environment here. We also provide many Big Data Example Workflows in the node guide and on the
If you run into any problems please follow the Bug Reporting Best Practices. Please include information about your Hadoop environment such as whether it’s secured or unsecured, vendor information (Hortonworks, Cloudera, custom-built, …), vendor version (e.g. CDH 5.12, HDP 2.6.3, …), and the version of the affected component if it’s different from the standard version (e.g. Spark, Hive, …).