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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14346) CryptoOutputStream throws IOException if stream is closed which is not the standard OutputStream behaviour
Date Mon, 24 Apr 2017 10:07:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15980958#comment-15980958
] 

Steve Loughran commented on HADOOP-14346:
-----------------------------------------

Looks like a sign of a larger problem: a lot of subclasses of flush appear to assume their
stream is open. 

> 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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