Great article! However there are some complications when attempting this in a Kerberised cluster. When following the guide to the t' we get an error already in these lines: SparkContext.setSystemProperty('spark.executor.cores', '4') SparkContext.setSystemProperty('spark.executor.memory', '8g') Exception in thread "main" java.lang.IllegalArgumentException: Can't get Kerberos realm at ... at ... at ... Caused by: java.lang.IllegalArgumentException: KrbException: Cannot locate default realm at ... at ... ... 12 more Are there any particular steps regarding this matter? ... View more