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https://issues.apache.org/jira/browse/HDFS-13509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457054#comment-16457054
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Xiao Liang commented on HDFS-13509:
-----------------------------------
For my local test of branch-2, currently without the patch it failed to finish:
{color:#d04437}[INFO]
-------------------------------------------------------{color}
{color:#d04437}[INFO] T E S T S{color}
{color:#d04437}[INFO]
-------------------------------------------------------{color}
{color:#d04437}[INFO] Running org.apache.hadoop.hdfs.TestFileAppend{color}
{color:#d04437}[ERROR] Tests run: 13, Failures: 0, Errors: 4, Skipped: 0, Time
elapsed: 46.473 s <<< FAILURE! - in org.apache.hadoop.hdfs.TestFileAppend{color}
{color:#d04437}[ERROR]
testFailedAppendBlockRejection(org.apache.hadoop.hdfs.TestFileAppend) Time
elapsed: 1.269 s <<< ERROR!{color}
{color:#d04437}java.io.IOException:{color}
{color:#d04437}Cannot remove data directory:
D:\Git\Hadoop\hadoop-hdfs-project\hadoop-hdfs\target\test\data\dfs\datapath
'D:\Git\Hadoop\hadoop-hdfs-project\hadoop-hdfs\target\test\data\dfs\data':{color}
{color:#d04437}
absolute:D:\Git\Hadoop\hadoop-hdfs-project\hadoop-hdfs\target\test\data\dfs\data{color}
{color:#d04437} permissions: drwx{color}
And with the patch the result is:
{color:#14892c}[INFO]
-------------------------------------------------------{color}
{color:#14892c}[INFO] T E S T S{color}
{color:#14892c}[INFO]
-------------------------------------------------------{color}
{color:#14892c}[INFO] Running org.apache.hadoop.hdfs.TestFileAppend{color}
{color:#14892c}[INFO] Tests run: 13, Failures: 0, Errors: 0, Skipped: 0, Time
elapsed: 56.192 s - in org.apache.hadoop.hdfs.TestFileAppend{color}
{color:#14892c}[INFO]{color}
{color:#14892c}[INFO] Results:{color}
{color:#14892c}[INFO]{color}
{color:#14892c}[INFO] Tests run: 13, Failures: 0, Errors: 0, Skipped: 0{color}
{color:#14892c}[INFO]{color}
{color:#14892c}[INFO]
------------------------------------------------------------------------{color}
{color:#14892c}[INFO] BUILD SUCCESS{color}
{color:#14892c}[INFO]
------------------------------------------------------------------------{color}
{color:#14892c}[INFO] Total time: 01:05 min{color}
{color:#14892c}[INFO] Finished at: 2018-04-26T15:29:19-07:00{color}
{color:#14892c}[INFO] Final Memory: 33M/854M{color}
{color:#14892c}[INFO]
------------------------------------------------------------------------{color}
> Bug fix for breakHardlinks() of ReplicaInfo/LocalReplica, and fix
> TestFileAppend failures on Windows
> ----------------------------------------------------------------------------------------------------
>
> Key: HDFS-13509
> URL: https://issues.apache.org/jira/browse/HDFS-13509
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Xiao Liang
> Assignee: Xiao Liang
> Priority: Major
> Labels: windows
> Attachments: HDFS-13509-branch-2.000.patch, HDFS-13509.000.patch
>
>
> breakHardlinks() of ReplicaInfo(branch-2)/LocalReplica(trunk) replaces file
> while the source is still opened as input stream, which will fail and throw
> exception on Windows. It's the cause of unit test case
> org.apache.hadoop.hdfs.TestFileAppend#testBreakHardlinksIfNeeded failure on
> Windows.
> Other test cases of TestFileAppend fail randomly on Windows due to sharing
> the same test folder, and the solution is using randomized base dir of
> MiniDFSCluster via HDFS-13408
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