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https://issues.apache.org/jira/browse/HDFS-16525?focusedWorklogId=750140&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-750140
]
ASF GitHub Bot logged work on HDFS-16525:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Mar/22 14:09
Start Date: 30/Mar/22 14:09
Worklog Time Spent: 10m
Work Description: singer-bin opened a new pull request #4122:
URL: https://github.com/apache/hadoop/pull/4122
JIRA: [HDFS-16525](https://issues.apache.org/jira/browse/HDFS-16525).
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Issue Time Tracking
-------------------
Worklog Id: (was: 750140)
Remaining Estimate: 0h
Time Spent: 10m
> System.err should be used when error occurs in multiple methods in DFSAdmin
> class
> ---------------------------------------------------------------------------------
>
> Key: HDFS-16525
> URL: https://issues.apache.org/jira/browse/HDFS-16525
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: dfsadmin
> Affects Versions: 3.3.2
> Reporter: yanbin.zhang
> Assignee: yanbin.zhang
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> System.err should be used when error occurs in multiple methods in DFSAdmin
> class,as follows:
> {code:java}
> //DFSAdmin#refreshCallQueue
> ...
> try{
> proxy.getProxy().refreshCallQueue();
> System.out.println("Refresh call queue successful for "
> + proxy.getAddress());
> }catch (IOException ioe){
> System.out.println("Refresh call queue failed for "
> + proxy.getAddress());
> exceptions.add(ioe);
> }
> ...
> {code}
> The test method closed first in TestDFSAdminWithHA also needs to be
> modified,otherwise an error will be reported,similar to the following:
> {code:java}
> [ERROR] Failures:
> [ERROR]
> TestDFSAdminWithHA.testRefreshCallQueueNN1DownNN2Up:726->assertOutputMatches:77
> Expected output to match 'Refresh call queue failed for.*
> Refresh call queue successful for.*
> ' but err_output was:
> Refresh call queue failed for localhost/127.0.0.1:12876
> refreshCallQueue: Call From h110/10.1.234.110 to localhost:12876 failed on
> connection exception: java.net.ConnectException: Connection refused; For more
> details see: http://wiki.apache.org/hadoop/ConnectionRefused and output was:
> Refresh call queue successful for localhost/127.0.0.1:12878{code}
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