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From "Vitalii Tymchyshyn (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7294) FileUtil uses wrong stat command for FreeBSD
Date Wed, 01 Feb 2012 07:51:03 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vitalii Tymchyshyn updated HADOOP-7294:
---------------------------------------


Here is trunk commit from https://github.com/apache/hadoop-common/pull/2
                
> FileUtil uses wrong stat command for FreeBSD
> --------------------------------------------
>
>                 Key: HADOOP-7294
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7294
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.21.0
>         Environment: FreeBSD 8.0-STABLE
>            Reporter: Vitalii Tymchyshyn
>         Attachments: patch.diff
>
>
> I get next exception when try to use append:
> 2011-05-16 17:07:54,648 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(10.112.0.207:50010,
storageID=DS-1047171559-
> 10.112.0.207-50010-1302796304164, infoPort=50075, ipcPort=50020):DataXceiver
> java.io.IOException: Failed to get link count on file /var/data/hdfs/data/current/finalized/subdir26/subdir17/subdir55/blk_-1266943884751786595:
>  message=null; error=stat: illegal option -- c; exit value=1
>         at org.apache.hadoop.fs.FileUtil.createIOException(FileUtil.java:709)
>         at org.apache.hadoop.fs.FileUtil.access$000(FileUtil.java:42)
>         at org.apache.hadoop.fs.FileUtil$HardLink.getLinkCount(FileUtil.java:682)
>         at org.apache.hadoop.hdfs.server.datanode.ReplicaInfo.unlinkBlock(ReplicaInfo.java:215)
>         at org.apache.hadoop.hdfs.server.datanode.FSDataset.append(FSDataset.java:1116)
> It seems that FreeBSD is treated like UNIX and so calls 'stat -c%h', while FreeBSD is
much more like Mac (since they have same BSD roots):
> $ stat --help
> stat: illegal option -- -
> usage: stat [-FlLnqrsx] [-f format] [-t timefmt] [file ...]
> $ stat -f%l a_file
> 1

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