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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15070) add test to verify FileSystem and paths differentiate on user info
Date Mon, 27 Nov 2017 11:15:00 GMT
Steve Loughran created HADOOP-15070:
---------------------------------------

             Summary: add test to verify FileSystem and paths differentiate on user info
                 Key: HADOOP-15070
                 URL: https://issues.apache.org/jira/browse/HADOOP-15070
             Project: Hadoop Common
          Issue Type: Improvement
          Components: fs, test
    Affects Versions: 2.8.2
            Reporter: Steve Loughran
            Assignee: Steve Loughran
            Priority: Minor


Add a test to verify that userinfo data is (correctly) used to differentiate the entries in
the FS cache, so are treated as different filesystems.

* This is criticalk for wasb, which uses the username to identify the container, in a path
like {{wasb:container1@stevel.azure.net}}. This works in Hadoop, but SPARK-22587 shows that
it may not be followed everywhere (and given there's no documentation, who can fault them?)
* AbstractFileSystem.checkPath looks suspiciously like it's path validation just checks host,
not authority. That needs a test too.
* And we should cut the @LimitedPrivate(HDFS, Mapreduce) from Path.makeQualified. If MR needs
it, it should be considered open to all apps using the Hadoop APIs. Until I looked at the
code I thought it was...



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