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https://issues.apache.org/jira/browse/SPARK-761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14311490#comment-14311490
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Patrick Wendell commented on SPARK-761:
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[~aash] right now we don't explicitly encode the spark version anywhere in the
RPC. The best possible thing is to give an explicit version number like you
said, but we don't have the plumbing to do that at the moment and IMO that's
worth punting until we decide to standardize the RPC format.
> Print a nicer error message when incompatible Spark binaries try to talk
> ------------------------------------------------------------------------
>
> Key: SPARK-761
> URL: https://issues.apache.org/jira/browse/SPARK-761
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Matei Zaharia
> Priority: Minor
> Labels: starter
>
> As a starter task, it would be good to audit the current behavior for
> different client <-> server pairs with respect to how exceptions occur.
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