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https://issues.apache.org/jira/browse/FLINK-4300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther updated FLINK-4300:
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Affects Version/s: 1.1.0
> Improve error message for different Scala versions of JM and Client
> -------------------------------------------------------------------
>
> Key: FLINK-4300
> URL: https://issues.apache.org/jira/browse/FLINK-4300
> Project: Flink
> Issue Type: Improvement
> Components: Client, JobManager
> Affects Versions: 1.1.0
> Reporter: Timo Walther
>
> If a user runs a job (e.g. via RemoteEnvironment) with different Scala
> versions of JobManager and Client, the job is not executed and has no proper
> error message.
> The Client fails only with a meaningless warning:
> {code}
> 16:59:58,677 WARN akka.remote.ReliableDeliverySupervisor
> - Association with remote system [akka.tcp://flink@127.0.0.1:6123] has
> failed, address is now gated for [5000] ms. Reason is: [Disassociated].
> {code}
> JobManager log only contains the following warning:
> {code}
> 2016-08-01 16:59:58,664 WARN akka.remote.ReliableDeliverySupervisor
> - Association with remote system
> [akka.tcp://flink@192.168.1.142:63372] has failed, address is now gated for
> [5000] ms. Reason is: [scala.Option; local class incompatible: stream
> classdesc serialVersionUID = -2062608324514658839, local class
> serialVersionUID = -114498752079829388].
> {code}
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