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https://issues.apache.org/jira/browse/FLINK-3788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas C. Osowski updated FLINK-3788:
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Summary: Local variable values are not distributed to job runners (was:
Local variable values are not distributed to task runners)
> Local variable values are not distributed to job 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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