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https://issues.apache.org/jira/browse/HADOOP-6097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745477#action_12745477
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Koji Noguchi commented on HADOOP-6097:
--------------------------------------
Ben, sorry about that. I was wrong.
I got confused since HarFileSystem.getUri() returns har://archivepath,
I mistakenly thought FileSystem.CACHE would use the path as part of the hash
key.
{noformat}
$ hadoop dfs -ls har:///user/knoguchi/test.har har:///user/knoguchi/test2.har
Found 1 items
drw-r--r-- - knoguchi users 0 2009-08-18 18:52
/user/knoguchi/test.har/user
ls: Invalid file name: /user/knoguchi/test2.har in har:///user/knoguchi/test.har
$ hadoop dfs -ls har:///user/knoguchi/test2.har har:///user/knoguchi/test.har
Found 1 items
drw------- - knoguchi users 0 2009-08-17 19:15
/user/knoguchi/test2.har/user
ls: Invalid file name: /user/knoguchi/test.har in har:///user/knoguchi/test2.har
$
{noformat}
> Multiple bugs w/ Hadoop archives
> --------------------------------
>
> Key: HADOOP-6097
> URL: https://issues.apache.org/jira/browse/HADOOP-6097
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.18.0, 0.18.1, 0.18.2, 0.18.3, 0.19.0, 0.19.1, 0.20.0
> Reporter: Ben Slusky
> Fix For: 0.20.1
>
> Attachments: HADOOP-6097.patch
>
>
> Found and fixed several bugs involving Hadoop archives:
> - In makeQualified(), the sloppy conversion from Path to URI and back mangles
> the path if it contains an escape-worthy character.
> - It's possible that fileStatusInIndex() may have to read more than one
> segment of the index. The LineReader and count of bytes read need to be reset
> for each block.
> - har:// connections cannot be indexed by (scheme, authority, username) --
> the path is significant as well. Caching them in this way limits a hadoop
> client to opening one archive per filesystem. It seems to be safe not to
> cache them, since they wrap another connection that does the actual
> networking.
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