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https://issues.apache.org/jira/browse/HADOOP-3393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12597017#action_12597017
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Raghu Angadi commented on HADOOP-3393:
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+1. The fix looks good.
> TestHDFSServerPorts fails on LINUX (NFS mounted directory) and on WINDOWS
> -------------------------------------------------------------------------
>
> Key: HADOOP-3393
> URL: https://issues.apache.org/jira/browse/HADOOP-3393
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.18.0
> Environment: LINUX, WINDOWS
> Reporter: lohit vijayarenu
> Fix For: 0.18.0
>
> Attachments: HADOOP-HDFSServerPorts.patch
>
>
> HADOOP-2656 changes the way BlockScanner and BlockScannerThread are
> created. TestHDFSServerPorts tries to create a DataNode object, but expects a
> failure while starting it. As part of creating DataNode object we create
> BlockScanner object but not its corresponding BlockScannerThread as Daemon.
> While in shutdown() we check if BlockScannerThread is not null, then call
> BlockScanner.shutdown() to close a reference to LogFile it holds.
> Now, on NFS mount and Windows, if a reference to file remains deleting the
> directory either leaves a .nfsXXXXX file or is not allowed (on windows). This
> was causing the test to fail.
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