Chris Nauroth created HDFS-9138:
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Summary: 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
{{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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