Github user Rucongzhang commented on the issue:
https://github.com/apache/flink/pull/3600
@StephanEwen , yes, now if you want to use kerberos , you need additionally
to set zookeeper.sasl.disable to false. And I agree with you, the default value
of zookeeper.sasl.disable can set to false. Then, If you want to use the
kerberos, can only set ZooKeeper login context . Thanks!
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