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From "Nate McCall (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-5126) Upgrade version of Jackson to avoid concurrency issues with M/R tasks
Date Tue, 08 Jan 2013 21:22:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13547277#comment-13547277
] 

Nate McCall edited comment on CASSANDRA-5126 at 1/8/13 9:20 PM:
----------------------------------------------------------------

So - looks like the jars were updated in the lib dir, but not in the build.xml.

The ramifications of this are that *anything* referencing cassandra on maven central will
have the older versions of jackson brought in as dependencies.
                
      was (Author: zznate):
    So - looks like the jars were updated in the lib dir, but not in the build.xml.

The ramifications of this are that *anything* referencing cassandra on maven central will
have the older versions of jackson brought in as dependencies (cough. DSE. cough.).
                  
> Upgrade version of Jackson to avoid concurrency issues with M/R tasks
> ---------------------------------------------------------------------
>
>                 Key: CASSANDRA-5126
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5126
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Hadoop
>    Affects Versions: 1.1.8, 1.2.0
>            Reporter: Nate McCall
>            Assignee: Nate McCall
>            Priority: Minor
>             Fix For: 1.2.2
>
>         Attachments: 5126.txt
>
>
> Older version of Jackson ASL has a concurrency issue. See http://jira.codehaus.org/browse/JACKSON-237
> This can be triggered in some environments when running M/R tasks and the wrong version
of jackson gets picked up. 

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