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https://issues.apache.org/jira/browse/HDFS-14528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16875985#comment-16875985
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Hadoop QA commented on HDFS-14528:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  5s{color} 
| {color:red} HDFS-14528 does not apply to trunk. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-14528 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12973306/HDFS-14528.2.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/27118/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> [SBN Read]Failover from Active to Standby Failed  
> --------------------------------------------------
>
>                 Key: HDFS-14528
>                 URL: https://issues.apache.org/jira/browse/HDFS-14528
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>            Reporter: Ravuri Sushma sree
>            Assignee: Ravuri Sushma sree
>            Priority: Major
>         Attachments: HDFS-14528.2.patch, ZKFC_issue.patch
>
>
> *Started an HA Cluster with three nodes [ _Active ,Standby ,Observer_ ]*
> *When trying to exectue the failover command from active to standby* 
> *._/hdfs haadmin  -failover nn1 nn2, below Exception is thrown_*
>   Operation failed: Call From X-X-X-X/X-X-X-X to Y-Y-Y-Y:nnnn failed on 
> connection exception: java.net.ConnectException: Connection refused
> This is encountered in two cases : When any other standby namenode is down or 
> when any other zkfc is down 



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