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From "Andreas C. Osowski (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-3788) Local variable values are not distributed to task runners
Date Tue, 19 Apr 2016 14:29:25 GMT

     [ https://issues.apache.org/jira/browse/FLINK-3788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andreas C. Osowski updated FLINK-3788:
--------------------------------------
    Attachment: FLINK-3788.tgz

> Local variable values are not distributed to task runners
> ---------------------------------------------------------
>
>                 Key: FLINK-3788
>                 URL: https://issues.apache.org/jira/browse/FLINK-3788
>             Project: Flink
>          Issue Type: Bug
>          Components: DataSet API
>    Affects Versions: 1.0.0, 1.0.1
>         Environment: Scala 2.11.8
> Sun JDK 1.8.0_65 or OpenJDK 1.8.0_77
> Fedora 25, 4.6.0-0.rc2.git3.1.fc25.x86_64
>            Reporter: Andreas C. Osowski
>         Attachments: FLINK-3788.tgz
>
>
> Variable values of non-elementary types aren't caught and distributed to job runners,
causing them to remain 'null' and causing NPEs upon access when running on a cluster. Running
locally through `flink-clients` works fine.
> Changing parallelism or disabling the closure cleaner don't seem to have any effect.
> Minimal example, also see the attached archive.
> {code:java}
> case class IntWrapper(a1: Int)
> val wrapped = IntWrapper(42)
> env.readTextFile("myTextFile.txt").map(line => wrapped.toString).collect
> {code}



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