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https://issues.apache.org/jira/browse/HDFS-16498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated HDFS-16498:
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Component/s: datanode
namanode
Target Version/s: 3.4.0
Affects Version/s: 3.4.0
> Fix NPE for checkBlockReportLease
> ---------------------------------
>
> Key: HDFS-16498
> URL: https://issues.apache.org/jira/browse/HDFS-16498
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, namanode
> Affects Versions: 3.4.0
> Reporter: Tao Li
> Assignee: Tao Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Attachments: image-2022-03-09-20-35-22-028.png, screenshot-1.png
>
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> During the restart of Namenode, a Datanode is not registered, but this
> Datanode triggers FBR, which causes NPE.
> !image-2022-03-09-20-35-22-028.png|width=871,height=158!
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