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Posted to common-issues@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2016/03/21 22:42:26 UTC

[jira] [Updated] (HADOOP-12726) Unsupported FS operations should throw UnsupportedOperationException

     [ https://issues.apache.org/jira/browse/HADOOP-12726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Templeton updated HADOOP-12726:
--------------------------------------
    Status: Patch Available  (was: Open)

> Unsupported FS operations should throw UnsupportedOperationException
> --------------------------------------------------------------------
>
>                 Key: HADOOP-12726
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12726
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 2.7.1
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>         Attachments: HADOOP-12726.001.patch
>
>
> In the {{FileSystem}} implementation classes, unsupported operations throw {{new IOException("Not supported")}}, which makes it needlessly difficult to distinguish an actual error from an unsupported operation.  They should instead throw {{new UnsupportedOperationException()}}.
> It's possible that this anti-idiom is used elsewhere in the code base.  This JIRA should include finding and cleaning up those instances as well.



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