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https://issues.apache.org/jira/browse/FLINK-8285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16295518#comment-16295518
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Tzu-Li (Gordon) Tai commented on FLINK-8285:
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Ah, sorry, I somehow was thinking of the {{DataSet}} API :/
Yes, the {{DataStream}} API does not currently officially support a {{collect}}
counterpart. It could make sense, though, to move that from
{{flink-streaming-contribs}} to be supported in the {{DataStream}} API
out-of-the-box. There is already some discussion going on in dismantling the
{{flink-streaming-contribs}} module.
> Iterator Data Sink doesn't mention required module
> --------------------------------------------------
>
> Key: FLINK-8285
> URL: https://issues.apache.org/jira/browse/FLINK-8285
> Project: Flink
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 1.4.0
> Environment: Linux CentOS/7
> Reporter: Julio Biason
>
> In the docs about
> [https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/datastream_api.html#iterator-data-sink],
> it's mentioned that one could use an interator for retrieving the result of
> the stream.
> But there is no mention of any external packages (as it happens with some
> examples in the metrics) and trying to use causes an error:
> [error] object contrib is not a member of package org.apache.flink
> [error] import org.apache.flink.contrib.streaming.DataStreamUtils
> The line in question (as copied'n'pasted directly from the examples):
> import org.apache.flink.contrib.streaming.DataStreamUtils
> (PS: Source is in Scala, not Java)
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