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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-7009) MD5Hash provides a public factory method that creates an instance of MessageDigest
Date Tue, 26 Oct 2010 21:33:21 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HADOOP-7009:
----------------------------------

    Attachment: md5hash.patch

Here is a simple patch that does this.

> MD5Hash provides a public factory method that creates an instance of MessageDigest
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-7009
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7009
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.22.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.22.0
>
>         Attachments: md5hash.patch
>
>
> MD5Hash has a private way of creating a MessageDigest object that's thread local. I'd
like to have such a method which is public so that checksuming fsimage (HDFS-903) could use
it.

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