Github user vijikarthi commented on the issue: https://github.com/apache/flink/pull/2275 @mxm The issue is apparently due to ZK client API implementation which lookup the system configuration property to determined the type of event (SASLAuthenticated/SysConnected) that it should wait for? I have fixed the issue by adding a dummy configuration file that will be used only to set the system property when SASL authentication is enabled (Apparently both Kafka and ZK rely on the configuration property and I believe they are moving away from using these variables, but for now we need the hack for secure deployment). Please take a look at the two new commits to find the fix details and I will squash the commits after your review. Travis build is not failing anymore.
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