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https://issues.apache.org/jira/browse/MAPREDUCE-7494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved MAPREDUCE-7494.
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Resolution: Fixed
> File stream leak when LineRecordReader is interrupted
> -----------------------------------------------------
>
> Key: MAPREDUCE-7494
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7494
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Affects Versions: 3.4.0, 3.3.6, 3.4.1
> Reporter: Davin Tjong
> Assignee: Davin Tjong
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> In LineRecordReader, we may open a filestream:
> ```
> fileIn = FutureIO.awaitFuture(builder.build());
> ```
> However, we may be interrupted or otherwise throw an error before `in` is
> initialized, for example here:
> ```
> fileIn.seek(start);
> ```
> If this happens, the caller has no way to close this file stream causing it
> to leak.
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