[jira] [Resolved] (HDFS-16498) Fix NPE for checkBlockReportLease

["Xiaoqiao He (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoqiao He resolved HDFS-16498.
--------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

Committed to trunk. Thanks @tomscut for your contribution!

> Fix NPE for checkBlockReportLease
> ---------------------------------
>
>                 Key: HDFS-16498
>                 URL: https://issues.apache.org/jira/browse/HDFS-16498
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: tomscut
>            Assignee: tomscut
>            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: 5h 20m
>  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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