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Posted to common-issues@hadoop.apache.org by "Sean Busbey (JIRA)" <ji...@apache.org> on 2015/03/05 06:16:38 UTC

[jira] [Work started] (HADOOP-11674) data corruption for parallel CryptoInputStream and CryptoOutputStream

     [ https://issues.apache.org/jira/browse/HADOOP-11674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HADOOP-11674 started by Sean Busbey.
--------------------------------------------
> data corruption for parallel CryptoInputStream and CryptoOutputStream
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-11674
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11674
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 2.6.0
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>            Priority: Critical
>
> A common optimization in the io classes for Input/Output Streams is to save a single length-1 byte array to use in single byte read/write calls.
> CryptoInputStream and CryptoOutputStream both attempt to follow this practice but mistakenly mark the array as static. That means that only a single instance of each can be present in a JVM safely.



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