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Posted to common-dev@hadoop.apache.org by "Chris K Wensel (JIRA)" <ji...@apache.org> on 2008/10/21 19:49:44 UTC
[jira] Updated: (HADOOP-4466) SequenceFileOutputFormat is coupled
to WritableComparable and Writable
[ https://issues.apache.org/jira/browse/HADOOP-4466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris K Wensel updated HADOOP-4466:
-----------------------------------
Attachment: hadoop-4466.patch
Removes .asSubClass() calls that cast down to Writable and WritableComparable.
> 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
> 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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