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https://issues.apache.org/jira/browse/HADOOP-3180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12591774#action_12591774
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Pete Wyckoff commented on HADOOP-3180:
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sure, owen will do. Will have to remember how I was able to generate this
exception :) I think it was because I didnt have all our Writable classes in
the classpath.
I'll get it together but may need help on how to create the test as I would
have to create a file with a custom Writable key but then remove that writable
class from the running test and try to read the file.
> add name of faulty class to WritableName.getClass IOException upon
> ClassNotFoundException
> ------------------------------------------------------------------------------------------
>
> Key: HADOOP-3180
> URL: https://issues.apache.org/jira/browse/HADOOP-3180
> Project: Hadoop Core
> Issue Type: Improvement
> Reporter: Pete Wyckoff
> Assignee: Pete Wyckoff
> Priority: Trivial
> Attachments: patch.txt, patch2.txt
>
>
> WritableName.getClass raises an IOException when it cannot load the class.
> The message is "WritableName can't load class" without the name of the class.
> Although one can get this from getCause, easier to see it just from the
> message.
> propose change it to:
> IOException newE = new IOException("WritableName can't load class: " +
> name);
> I will attach a patch.
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