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https://issues.apache.org/jira/browse/HADOOP-14346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15980969#comment-15980969
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Steve Loughran commented on HADOOP-14346:
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One thing to consider here is: is it the case that you may call flush() on a
closed stream? The docs don't explicitly say you can, or that you can't. They
just don't say that some form of IOE will be raised if called on a closed stream
> CryptoOutputStream throws IOException if stream is closed which is not the
> standard OutputStream behaviour
> -----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-14346
> URL: https://issues.apache.org/jira/browse/HADOOP-14346
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.3
> Reporter: Pierre Lacave
> Attachments: CryptoOutputStream.flush-no-throw-on-closed.patch,
> HADOOP-14346-1.patch
>
>
> With Druid and Hadoop 2.7.3 I see that calls to flush() on a closed
> CryptoOutputStream throws IOException.
> Although flushing closed stream is dodgy, the culprit is actually
> CryptoOutputStream, according to the java documentation it look actually
> authorised.
> The OutputStream java doc
> (http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html#flush())
> shows that flush should behave like close(), which allows being called on a
> closed stream without exception (as opposed to write() and others which
> clearly says should throw an exception)
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