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https://issues.apache.org/jira/browse/HDFS-15974?focusedWorklogId=585548&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-585548
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ASF GitHub Bot logged work on HDFS-15974:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/Apr/21 04:19
Start Date: 20/Apr/21 04:19
Worklog Time Spent: 10m
Work Description: zhuxiangyi commented on a change in pull request #2915:
URL: https://github.com/apache/hadoop/pull/2915#discussion_r616332454
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/metrics/NamenodeBeanMetrics.java
##########
@@ -855,7 +855,7 @@ public long getNumberOfSnapshottableDirs() {
@Override
public String getEnteringMaintenanceNodes() {
- return "N/A";
+ return null;
Review comment:
Thanks for your review @goiri , I think returning "{}" is more friendly
than "null". I submitted new code and added tests.
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Issue Time Tracking
-------------------
Worklog Id: (was: 585548)
Time Spent: 0.5h (was: 20m)
> RBF: Unable to display the datanode UI of the router
> ----------------------------------------------------
>
> Key: HDFS-15974
> URL: https://issues.apache.org/jira/browse/HDFS-15974
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: rbf, ui
> Affects Versions: 3.4.0
> Reporter: zhu
> Priority: Major
> Labels: pull-request-available
> Attachments: HDFS-15358-1.patch, image-2021-04-15-11-36-47-644.png
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Clicking the Datanodes tag on the Router UI does not respond.
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