@azeltov@hortonworks.com This is good information. Link Also, this one Apparently this is not very documented feature of Spark (and not an issue with Zeppelin itself) Here is the code that works for me and solves the similar issue: %dep z.load("mysql:mysql-connector-java:5.1.35") and then val driver = "com.mysql.jdbc.Driver" val url = "jdbc:mysql://address=(protocol=tcp)(host=localhost)(port=3306)(user=...)(password=...)/dbname" val jdbcDF = sqlc.load("jdbc", Map( "url" -> url, "driver" -> driver, "dbtable" -> "table1")) jdbcDF.registerTempTable("table1") Let me know if this helps! ... View more

You have to check the listener settings for oracle. Please see this Make sure that you are providing the correct service name or sid IO Error: The Network Adapter could not establish the connection ErrorCode: 17002 2015-11-04 11:46:20,196 [E] Can't establish connection,Change configuration or Contact Administrator!! Ranger cleanup from db curl --user admin:admin -i -H "X-Requested-By: ambari" -X DELETE http://`hostname -f`:8080/api/v1/clusters/<cluster name>/services/RANGER [root@nsfed01 ~]# psql dbname username Password for user ambari: password given when you did ambari-server setup psql (8.4.20) Type "help" for help. ambari=> ambari=# ambari=> delete from hostcomponentstate where component_name like '%RANGER%'; DELETE 1 ambari=> delete from hostcomponentdesiredstate where component_namelike '%RANGER%'; DELETE 1 ambari=> delete from servicecomponentdesiredstate where component_namelike '%RANGER%'; DELETE 1 ambari=> commit; WARNING: there is no transaction in progress COMMIT ambari=> \q @skonduru@hortonworks.com Refresh browser and restart ambari. ... View more

@Arpit Agarwal @Ali Bajwa As per my understanding, there is no official endorsement or certification approval. We know that HDP works with Microsoft AD/LDAP, MIT KDC and FreeIPA. Adding Balaji in the thread. @bganesan@hortonworks.com ... View more