Github user necosta commented on the issue: https://github.com/apache/zeppelin/pull/2349 Hi @1ambda and @Leemoonsoo , Can you have another look at this one? After rebasing latest master (now contains [ZEPPELIN-2152](https://issues.apache.org/jira/browse/ZEPPELIN-2152)) and squashing my commits, this is the version I would like to get approved. There is a lot of info. in the above comments. Any question, let me know and thank you. By the way, I linked [ZEPPELIN-2227](https://issues.apache.org/jira/browse/ZEPPELIN-2227) as duplicate to this one ([ZEPPELIN-2214](https://issues.apache.org/jira/browse/ZEPPELIN-2214)).
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