[jira] [Assigned] (FLINK-10359) Scala example in DataSet docs is broken

["vinoyang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-10359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

vinoyang reassigned FLINK-10359:
--------------------------------

    Assignee: vinoyang

> Scala example in DataSet docs is broken
> ---------------------------------------
>
>                 Key: FLINK-10359
>                 URL: https://issues.apache.org/jira/browse/FLINK-10359
>             Project: Flink
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 1.5.3, 1.6.0, 1.7.0
>            Reporter: Fabian Hueske
>            Assignee: vinoyang
>            Priority: Major
>
> The Scala example of [https://ci.apache.org/projects/flink/flink-docs-release-1.6/dev/batch/dataset_transformations.html#combinable-groupreducefunctions] is broken.
> The {{asScala}} and the {{reduce}} call fetch the Java {{Iterator}} which may only fetched once.
> {quote}The Iterable can be iterated over only once. Only the first call to 'iterator()' will succeed.{quote}
> While we are on it, it would make sense to check the other examples as well.



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