Hi @Jonas Straub, we configured a secure SolrCloud cluster, with success. There is one MAJOR issue: https://issues.apache.org/jira/browse/RANGER-678 The ranger plugins (hive, hdfs, kafka, hbase, solr) generating audit logs, are not able to send the audit-logs to a secure Solr. The bug was reported 06/Oct/15, but not yet addressed. How do we get it addressed so people can start using a secure Solr for audit logging? Greetings, Alexander ... View more

Great article, When testing the connection to Solr from Ranger as @Jonas Straub mentions the /var/log/ranger/admin/xa_portal.log shows the URL. It tries to access ${Solr URL}/admin/collections. So you should enter an URL ending with /solr. Than the log gives an Authentication Required 401. Now Solr is Kerbors-secured the request from Ranger to fetch collections should also use a kerberos-ticket... Did someone manage to make the lookup from Ranger to Solr (/w kerberos) work? ... View more