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https://issues.apache.org/jira/browse/HADOOP-7087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978210#action_12978210
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Todd Lipcon commented on HADOOP-7087:
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Hi Owen. That's the original direction I went with this patch, but then I
thought more about it, and decided that it is not quite correct - for example,
RawLocalFileSystem and LocalFileSystem (checksummed) both use file:/// URLs.
But {{path.getFileSystem(conf)}} will always return the checksummed version. So
using {{fs.makeQualified(path)}} in these wrapper functions fails to preserve
the user's choice of file system when they explicitly want the non-checksummed
version.
What do you mean by "an option that isn't forward compatible"? Are you
referring to the FileSystem API going out of style in favor of FileContext?
> SequenceFile.createWriter ignores FileSystem parameter
> ------------------------------------------------------
>
> Key: HADOOP-7087
> URL: https://issues.apache.org/jira/browse/HADOOP-7087
> Project: Hadoop Common
> Issue Type: Bug
> Components: io
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hadoop-7087.txt
>
>
> The SequenceFile.createWriter methods that take a FileSystem ignore this
> parameter after HADOOP-6856. This is causing some MR tests to fail and is a
> breaking change when users pass unqualified paths to these calls.
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