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https://issues.apache.org/jira/browse/HDFS-16501?focusedWorklogId=739401&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-739401
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ASF GitHub Bot logged work on HDFS-16501:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/Mar/22 11:39
            Start Date: 10/Mar/22 11:39
    Worklog Time Spent: 10m 
      Work Description: liubingxing opened a new pull request #4062:
URL: https://github.com/apache/hadoop/pull/4062


   
   
![image](https://user-images.githubusercontent.com/2844826/157654307-18cec889-2b59-40c4-b40c-a7e0aacf73ef.png)
   
   Currently, volumeScanner will find bad blocks and report them to namenode 
without printing the reason why they are bad blocks. I think we should be 
better print the exception in log file.


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 739401)
    Remaining Estimate: 0h
            Time Spent: 10m

> Print the exception when reporting a bad block
> ----------------------------------------------
>
>                 Key: HDFS-16501
>                 URL: https://issues.apache.org/jira/browse/HDFS-16501
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: qinyuren
>            Priority: Major
>         Attachments: image-2022-03-10-19-27-31-622.png
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> !image-2022-03-10-19-27-31-622.png|width=847,height=27!
> Currently, volumeScanner will find bad block and report it to namenode 
> without printing the reason why the block is a bad block. I think we should 
> be better print the exception in log file.



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