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https://issues.apache.org/jira/browse/HDFS-12881?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ajay Kumar updated HDFS-12881:
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Attachment: HDFS-12881-branch-2.10.0.001.patch
> Output streams closed with IOUtils suppressing write errors
> -----------------------------------------------------------
>
> Key: HDFS-12881
> URL: https://issues.apache.org/jira/browse/HDFS-12881
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Jason Lowe
> Assignee: Ajay Kumar
> Fix For: 3.1.0, 3.0.1
>
> Attachments: HDFS-12881-branch-2.10.0.001.patch,
> HDFS-12881.001.patch, HDFS-12881.002.patch, HDFS-12881.003.patch,
> HDFS-12881.004.patch
>
>
> There are a few places in HDFS code that are closing an output stream with
> IOUtils.cleanupWithLogger like this:
> {code}
> try {
> ...write to outStream...
> } finally {
> IOUtils.cleanupWithLogger(LOG, outStream);
> }
> {code}
> This suppresses any IOException that occurs during the close() method which
> could lead to partial/corrupted output without throwing a corresponding
> exception. The code should either use try-with-resources or explicitly close
> the stream within the try block so the exception thrown during close() is
> properly propagated as exceptions during write operations are.
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