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https://issues.apache.org/jira/browse/SPARK-7042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-7042:
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Priority: Minor (was: Major)
Issue Type: Improvement (was: Bug)
I think this is an Akka / Scala problem really, but can keep this open to track
"update Akka" at some point.
> Spark version of akka-actor_2.11 is not compatible with the official
> akka-actor_2.11 2.3.x
> ------------------------------------------------------------------------------------------
>
> Key: SPARK-7042
> URL: https://issues.apache.org/jira/browse/SPARK-7042
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.3.1
> Reporter: Konstantin Shaposhnikov
> Priority: Minor
>
> When connecting to a remote Spark cluster (that runs Spark branch-1.3 built
> with Scala 2.11) from an application that uses akka 2.3.9 I get the following
> error:
> {noformat}
> 2015-04-22 09:01:38,924 - [WARN] - [akka.remote.ReliableDeliverySupervisor]
> [sparkDriver-akka.actor.default-dispatcher-5] -
> Association with remote system [akka.tcp://sparkExecutor@server:59007] has
> failed, address is now gated for [5000] ms.
> Reason is: [akka.actor.Identify; local class incompatible: stream classdesc
> serialVersionUID = -213377755528332889, local class serialVersionUID = 1].
> {noformat}
> It looks like akka-actor_2.11 2.3.4-spark that is used by Spark has been
> built using Scala compiler 2.11.0 that ignores SerialVersionUID annotations
> (see https://issues.scala-lang.org/browse/SI-8549).
> The following steps can resolve the issue:
> - re-build the custom akka library that is used by Spark with the more recent
> version of Scala compiler (e.g. 2.11.6)
> - deploy a new version (e.g. 2.3.4.1-spark) to a maven repo
> - update version of akka used by spark (master and 1.3 branch)
> I would also suggest to upgrade to the latest version of akka 2.3.9 (or
> 2.3.10 that should be released soon).
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