Github user mccheah commented on the issue:
https://github.com/apache/spark/pull/21884
> At least in our Kubernetes cluster (tested both on 1.6.x and 1.8.x) the
SparkPi example failed with a connection error without this change, and
succeeded after. (I've also added this information to the JIRA)
@adelbertc Just to clarify, by "succeeded later", do you mean after this
change was applied? Or do you mean "succeeded later" as in a retry worked with
the same code?
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