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Posted to common-issues@hadoop.apache.org by "Junping Du (JIRA)" <ji...@apache.org> on 2017/01/06 01:40:59 UTC

[jira] [Updated] (HADOOP-12191) Bzip2Factory is not thread safe

     [ https://issues.apache.org/jira/browse/HADOOP-12191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Junping Du updated HADOOP-12191:
--------------------------------
    Fix Version/s: 2.8.0

> Bzip2Factory is not thread safe
> -------------------------------
>
>                 Key: HADOOP-12191
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12191
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 2.7.1
>            Reporter: Jason Lowe
>            Assignee: Brahma Reddy Battula
>             Fix For: 2.8.0, 2.7.2, 3.0.0-alpha1
>
>         Attachments: HADOOP-12191.patch
>
>
> Bzip2Factory.isNativeBzip2Loaded is not protected from multiple threads calling it simultaneously.  A thread can return false from this method despite logging the fact that was going to return true due to manipulations of the static boolean from another thread calling the same method.



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