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https://issues.apache.org/jira/browse/HADOOP-1858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12529982
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Chris Douglas commented on HADOOP-1858:
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It's not clear this is the wrong behavior. The path normalization in
java.net.URI follows RFC2396, so the collapse of dot-segments is part of every
Path's construction, prior to its interaction with a FileSystem. This seems
like a POSIX/URI inconsistency, not necessarily a bug. Further, checking each
parent URI for every relative path is relatively expensive in HDFS, so
rewriting that section of the URI RFC doesn't seem like a good solution, either.
Is this causing problems somewhere?
> ".." for ls does not check for existence of its parent directory.
> ------------------------------------------------------------------
>
> Key: HADOOP-1858
> URL: https://issues.apache.org/jira/browse/HADOOP-1858
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Reporter: Raghu Angadi
> Priority: Minor
>
> '{{bin/hadoop -ls /user/nonexistent/..}}' lists /user even if
> /user/nonexistent directory does not exist.
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