Github user vijikarthi commented on the issue:
https://github.com/apache/flink/pull/2275
>
@vijikarthi Thanks for the update. Great to see the tests are passing now.
I'm curious, why did this issue only appear on Travis and not locally?
Kafka/ZK connection is unusually longer in Travis and I don't know the
reason? I have noticed a similar comment in the Kafka Test code too where we
have changed the timeout from 6 sec (default) to 30 sec. I have increased the
timeout interval further for the secure run since occasionally it fails with
the lower timeout settings.
The combination of longer ZK connection time and client code waiting for
incorrect event (SysConnected) was the reason why in Travis it was failing.
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