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https://issues.apache.org/jira/browse/HDFS-16372?focusedWorklogId=691683&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-691683
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ASF GitHub Bot logged work on HDFS-16372:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Dec/21 11:50
            Start Date: 07/Dec/21 11:50
    Worklog Time Spent: 10m 
      Work Description: hfutatzhanghb commented on pull request #3750:
URL: https://github.com/apache/hadoop/pull/3750#issuecomment-987853696


   ok,got it
   
   
   
   ---Original---
   From: "Ayush ***@***.***>
   Date: Tue, Dec 7, 2021 19:49 PM
   To: ***@***.***>;
   Cc: ***@***.******@***.***>;
   Subject: Re: [apache/hadoop] HDFS-16372. refreshNodes should not use 
System.out but System.err when exceptions… (PR #3750)
   
   
   
   
    
   Checking it again, I think this behaviour is there for other commands as 
well:
    eg
            }catch (IOException ioe){           System.out.println("Save 
namespace failed for " +  
   We should be in sync for all other commands as well, can you fix them as well
    
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 691683)
    Time Spent: 1h 20m  (was: 1h 10m)

> RefreshNodes should not use System.out but System.err when exceptions occur
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-16372
>                 URL: https://issues.apache.org/jira/browse/HDFS-16372
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: dfsadmin
>    Affects Versions: 3.3.1
>            Reporter: zhanghaobo
>            Priority: Trivial
>              Labels: pull-request-available
>         Attachments: 
> 0001-refreshNodes-should-not-use-System.out-but-System.er.patch
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> RefreshNode should not use System.out but System.err when exceptions occur.



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