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https://issues.apache.org/jira/browse/HDFS-16437?focusedWorklogId=714976&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-714976
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ASF GitHub Bot logged work on HDFS-16437:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 25/Jan/22 17:03
            Start Date: 25/Jan/22 17:03
    Worklog Time Spent: 10m 
      Work Description: singer-bin opened a new pull request #3926:
URL: https://github.com/apache/hadoop/pull/3926


   …SnapshotDiffSection
   
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 714976)
    Time Spent: 1h  (was: 50m)

> ReverseXML processor doesn't accept XML files without the SnapshotDiffSection.
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-16437
>                 URL: https://issues.apache.org/jira/browse/HDFS-16437
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 3.1.1, 3.3.0
>            Reporter: yanbin.zhang
>            Priority: Critical
>              Labels: pull-request-available
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> In a cluster environment without snapshot, if you want to convert back to 
> fsimage through the generated xml, an error will be reported.
> {code:java}
> //代码占位符
> [test@test001 ~]$ hdfs oiv -p ReverseXML -i fsimage_0000000000000257220.xml 
> -o fsimage_0000000000000257220
> OfflineImageReconstructor failed: FSImage XML ended prematurely, without 
> including section(s) SnapshotDiffSection
> java.io.IOException: FSImage XML ended prematurely, without including 
> section(s) SnapshotDiffSection
>         at 
> org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.processXml(OfflineImageReconstructor.java:1765)
>         at 
> org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageReconstructor.run(OfflineImageReconstructor.java:1842)
>         at 
> org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.run(OfflineImageViewerPB.java:211)
>         at 
> org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB.main(OfflineImageViewerPB.java:149)
> 22/01/25 15:56:52 INFO util.ExitUtil: Exiting with status 1: ExitException 
> {code}



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