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https://issues.apache.org/jira/browse/FLINK-3796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15251550#comment-15251550
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Aljoscha Krettek commented on FLINK-3796:
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I think [~kkl0u] is currently working on the streaming file sources and I was
under the impression that this would make the {{FileSourceFunction}} obsolete
as well.
> FileSourceFunction doesn't respect InputFormat's life cycle methods
> --------------------------------------------------------------------
>
> Key: FLINK-3796
> URL: https://issues.apache.org/jira/browse/FLINK-3796
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.0.0, 1.0.1, 1.0.2
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Fix For: 1.1.0
>
>
> The {{FileSourceFunction}} wraps {{InputFormat}} but doesn't execute its life
> cycle functions correctly.
> 1) It doesn't call {{close()}} before reading the next InputSplit via
> {{open(InputSplit split)}}.
> 2) It calls {{close()}} even if no InputSplit has been read (and thus
> open(..) hasn't been called previously).
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