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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4466) SequenceFileOutputFormat is coupled to WritableComparable and Writable
Date Thu, 23 Oct 2008 04:04:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated HADOOP-4466:
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.19.0
         Assignee: Chris K Wensel
     Release Note: Ensure that SequenceFileOutputFormat isn't tied to Writables and can be
used with other Serialization frameworks.  (was: Removes code added by HADOOP-3791)
           Status: Resolved  (was: Patch Available)

I just committed this. Thanks, Chris!

> SequenceFileOutputFormat is coupled to WritableComparable and Writable
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-4466
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4466
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.19.0
>            Reporter: Chris K Wensel
>            Assignee: Chris K Wensel
>            Priority: Blocker
>             Fix For: 0.19.0
>
>         Attachments: hadoop-4466.patch
>
>
> For some reason SequenceFileOutputFormat calls asSubclass() for OutputKeyClass and OutputValueClass.
This throws a ClassCastException when using non-Writable types with the new Serialization
framework.

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