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Posted to hdfs-issues@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2017/07/18 18:59:00 UTC
[jira] [Updated] (HDFS-12139) HTTPFS liststatus returns incorrect
pathSuffix for path of file
[ https://issues.apache.org/jira/browse/HDFS-12139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Chen updated HDFS-12139:
-----------------------------
Summary: HTTPFS liststatus returns incorrect pathSuffix for path of file (was: liststatus returns incorrect pathSuffix for path of file)
> HTTPFS liststatus returns incorrect pathSuffix for path of file
> ---------------------------------------------------------------
>
> Key: HDFS-12139
> URL: https://issues.apache.org/jira/browse/HDFS-12139
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: httpfs
> Reporter: Yongjun Zhang
> Assignee: Yongjun Zhang
> Attachments: HDFS-12139.001.patch
>
>
> Per the following logs, we can see that liststatus returns the same pathSuffix "test.txt" for /tmp/yj/yj1 and /tmp/yj/yj1/test.txt, which is wrong. The pathSuffix for the latter should be empty.
> {code}
> [thost ~]$ hadoop fs -copyFromLocal test.txt /tmp/yj/yj1
> [thost ~]$ curl "http://thost.x.y:14000/webhdfs/v1/tmp/yj/yj1?op=LISTSTATUS&user.name=tuser"
> {"FileStatuses":{"FileStatus":[{"pathSuffix":"test.txt","type":"FILE","length":16,"owner":"tuser","group":"supergroup","permission":"644","accessTime":1500007684989,"modificationTime":1500007685286,"blockSize":134217728,"replication":3}]}}
> [thost ~]$ curl "http://thost.x.y:14000/webhdfs/v1/tmp/yj/yj1/test.txt?op=LISTSTATUS&user.name=tuser"
> {"FileStatuses":{"FileStatus":[{"pathSuffix":"test.txt","type":"FILE","length":16,"owner":"tuser","group":"supergroup","permission":"644","accessTime":1500007684989,"modificationTime":1500007685286,"blockSize":134217728,"replication":3}]}}
> {code}
> Due to this bug, the symptom of running distcp with httpfs to copy a single file /tmp/test.txt is:
> {quote}
> WARN org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:systest (auth:PROXY) via httpfs (auth:SIMPLE) cause:org.apache.hadoop.security.AccessControlException: Permission denied: user=systest, access=EXECUTE, inode="/tmp/test.txt":systest:supergroup:-rw-r--r-- (Ancestor /tmp/test.txt is not a directory).
> {quote}
> because /tmp/test.txt is treated as /tmp/test.txt/test.txt.
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