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https://issues.apache.org/jira/browse/HDFS-14303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16860726#comment-16860726
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He Xiaoqiao commented on HDFS-14303:
------------------------------------

Thanks [~iamgd67] for the ping. It looks that failed when compile and fetch 
resource failed from central repo. And you can ref this link which is reported 
by HadoopQA: 
https://builds.apache.org/job/PreCommit-HDFS-Build/26934/artifact/out/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
Some other suggestions: please update the code style (about unit test) 
following https://wiki.apache.org/hadoop/HowToContribute and 
https://github.com/apache/hadoop/blob/trunk/hadoop-build-tools/src/main/resources/checkstyle/checkstyle.xml.

Ping [~jojochuang] [~elgoiri], do you mind help to check why compile failure?

> chek block directory logic not correct when there is only meta file, print no 
> meaning warn log
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-14303
>                 URL: https://issues.apache.org/jira/browse/HDFS-14303
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode, hdfs
>    Affects Versions: 2.7.3, 2.9.2, 2.8.5
>         Environment: env free
>            Reporter: qiang Liu
>            Priority: Minor
>              Labels: easy-fix
>         Attachments: HDFS-14303-branch-2.005.patch, 
> HDFS-14303-branch-2.009.patch, HDFS-14303-branch-2.010.patch, 
> HDFS-14303-branch-2.7.001.patch, HDFS-14303-branch-2.7.004.patch, 
> HDFS-14303-branch-2.7.006.patch, HDFS-14303-branch-2.9.011.patch, 
> HDFS-14303-branch-2.9.012.patch, HDFS-14303-branch-2.9.013.patch
>
>   Original Estimate: 1m
>  Remaining Estimate: 1m
>
> chek block directory logic not correct when there is only meta file,print no 
> meaning warn log, eg:
>  WARN DirectoryScanner:? - Block: 1101939874 has to be upgraded to block 
> ID-based layout. Actual block file path: 
> /data14/hadoop/data/current/BP-1461038173-10.8.48.152-1481686842620/current/finalized/subdir174/subdir68,
>  expected block file path: 
> /data14/hadoop/data/current/BP-1461038173-10.8.48.152-1481686842620/current/finalized/subdir174/subdir68/subdir68



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