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From "SmedbergM (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6866) ClosureCleaner.clean fails for scala's JavaConverters wrapper classes
Date Thu, 08 Jun 2017 14:58:18 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16042807#comment-16042807
] 

SmedbergM commented on FLINK-6866:
----------------------------------

In Scala 2.11 and before, inner class `scala.collection.convert.MapWrapper` in trait `Wrappers`
does not extend `Serializable`; this was added in 2.12

> ClosureCleaner.clean fails for scala's JavaConverters wrapper classes
> ---------------------------------------------------------------------
>
>                 Key: FLINK-6866
>                 URL: https://issues.apache.org/jira/browse/FLINK-6866
>             Project: Flink
>          Issue Type: Bug
>          Components: DataStream API, Scala API
>    Affects Versions: 1.2.0, 1.3.0
>         Environment: Scala 2.10.6, Scala 2.11.11
> Does not appear using Scala 2.12
>            Reporter: SmedbergM
>
> MWE: https://github.com/SmedbergM/ClosureCleanerBug
> MWE console output: https://gist.github.com/SmedbergM/ce969e6e8540da5b59c7dd921a496dc5



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