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https://issues.apache.org/jira/browse/HDFS-16693?focusedWorklogId=795274&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-795274
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ASF GitHub Bot logged work on HDFS-16693:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Jul/22 13:39
Start Date: 26/Jul/22 13:39
Worklog Time Spent: 10m
Work Description: ZanderXu commented on PR #4633:
URL: https://github.com/apache/hadoop/pull/4633#issuecomment-1195498441
Thanks @WeisonWei for your contribution. Can you add a UT to reproduce it?
If `DFS_ROUTER_QUOTA_ENABLE=false`, doesn't `getEachQuotaUsage` return
IOException?
```
Map<RemoteLocation, QuotaUsage> getEachQuotaUsage(String path)
throws IOException {
rpcServer.checkOperation(OperationCategory.READ);
if (!router.isQuotaEnabled()) {
throw new IOException("The quota system is disabled in Router.");
}
...
}
```
Issue Time Tracking
-------------------
Worklog Id: (was: 795274)
Time Spent: 20m (was: 10m)
> RBF: Fix NPE in Quota
> ---------------------
>
> Key: HDFS-16693
> URL: https://issues.apache.org/jira/browse/HDFS-16693
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Weison Wei
> Assignee: Weison Wei
> Priority: Critical
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> when the switch `dfs.federation.router.quota.enable` is false,
> Quota#isMountEntry will throw NPE;
>
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