Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/1663
@karuppayya tried again with clean build and i don't see problem now. Maybe
my test branch has been messed up.
Now, two CI profiles are failing
https://travis-ci.org/apache/zeppelin/jobs/195910315 (SELENIUM)
https://travis-ci.org/apache/zeppelin/jobs/195910316 (python/pyspark)
Later one doesn't look related but i think it worth to make sure first
one(SELENIUM) passes the test.
Could you trigger CI again and see if test goes green?
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