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Posted to hdfs-dev@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2015/09/24 22:06:05 UTC
[jira] [Resolved] (HDFS-9138)
TestDatanodeStartupFixesLegacyStorageIDs fails on Windows due to failure to
unpack old image tarball that contains hard links
[ https://issues.apache.org/jira/browse/HDFS-9138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Nauroth resolved HDFS-9138.
---------------------------------
Resolution: Not A Problem
Yes, my earlier HDFS-8554 patch fixed this already. I was only seeing a test failure on an older branch. I'm resolving this issue.
> TestDatanodeStartupFixesLegacyStorageIDs fails on Windows due to failure to unpack old image tarball that contains hard links
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-9138
> URL: https://issues.apache.org/jira/browse/HDFS-9138
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Minor
> Attachments: HDFS-9138.001.patch
>
>
> {{TestDatanodeStartupFixesLegacyStorageIDs#testUpgradeFrom22via26FixesStorageIDs}} uses a checked-in DataNode data directory that contains hard links. The hard links cannot be handled correctly by the commons-compress library used in the Windows implementation of {{FileUtil#unTar}}. The result is that the unpacked block files have 0 length, the block files reported to the NameNode are invalid, and therefore the mini-cluster never gets enough good blocks reported to leave safe mode.
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