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https://issues.apache.org/jira/browse/HADOOP-20068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HADOOP-20068:
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Labels: pull-request-available (was: )
> RawLocalFileSystem#getFileLinkStatus and #getLinkTarget miss symlinks when
> given a qualified file: path
> -------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-20068
> URL: https://issues.apache.org/jira/browse/HADOOP-20068
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Yang Jie
> Priority: Minor
> Labels: pull-request-available
>
> deprecatedGetFileLinkStatusInternal locates the link with {{new
> File(f.toString())}}. For a qualified path such as file:/tmp/link that is a
> relative file named "file:/tmp/link", so FileUtil.readLink() returns "" and:
> * getFileLinkStatus(file:/tmp/link) on a live link returns the target's
> status with isSymlink() false;
> * on a dangling link it throws FileNotFoundException;
> * getLinkTarget(file:/tmp/link) throws "Path ... is not a symbolic link".
> This is the code path RawLocalFileSystem uses by default:
> {{useDeprecatedFileStatus}} is only turned off by useStatIfAvailable(), which
> is called only from tests. Paths returned by listStatus() are qualified, and
> FileContext qualifies relative paths, so both reach it. The {{new
> File(f.toString())}} came in with HADOOP-9527.
> The fix uses pathToFile(f), which is how the rest of the method and the class
> locate files.
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