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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6283) The exception meessage in FileUtil$HardLink.getLinkCount(..) is not clear
Date Wed, 07 Oct 2009 22:29:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763290#action_12763290
] 

dhruba borthakur commented on HADOOP-6283:
------------------------------------------

+1. Code looks good.

> The exception meessage in FileUtil$HardLink.getLinkCount(..) is not clear
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-6283
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6283
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>            Reporter: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>         Attachments: c6283_20090923.patch, c6283_20091007.patch
>
>
> When a file is not found, FileUtil$HardLink.getLinkCount(..) shows the following error
message.
> {noformat}
> java.lang.NumberFormatException: For input string: ""
> 	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
> 	at java.lang.Integer.parseInt(Integer.java:470)
> 	at java.lang.Integer.parseInt(Integer.java:499)
> 	at org.apache.hadoop.fs.FileUtil$HardLink.getLinkCount(FileUtil.java:663)
> 	at org.apache.hadoop.hdfs.server.datanode.ReplicaInfo.detachBlock(ReplicaInfo.java:209)
> 	...
> stat: cannot stat `/home/tsz/hadoop/hdfs/h265/build/test/data/dfs/data/data3/current/finalized/blk_-94418387820168072_1001.meta':
>  No such file or directory on file:/home/tsz/hadoop/hdfs/h265/build/test/data/dfs/data/data3/current/finalized/blk_-94418387820168072_1001.meta
> {noformat}
> It looks like that there was a uncaught NumberFormatException.

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