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https://issues.apache.org/jira/browse/HDDS-12025?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tejaswini Vakkalagaddi reassigned HDDS-12025:
---------------------------------------------
Assignee: Tejaswini Vakkalagaddi
> [UI] Disk Usage page will fail to load if there is not path response from
> backend
> ---------------------------------------------------------------------------------
>
> Key: HDDS-12025
> URL: https://issues.apache.org/jira/browse/HDDS-12025
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Recon
> Affects Versions: 2.0.0
> Reporter: Abhishek Pal
> Assignee: Tejaswini Vakkalagaddi
> Priority: Minor
> Labels: newbie
>
> When we load the disk usage page, it is expected that all the metadata has
> already been processed by Recon.
> However in the edge-case where Recon was just freshly installed and we
> directly access the Disk Usage page, it will give an error/exception as there
> is no path value (i.e undefined)
> This can be reproduced by building Ozone, running it via docker and then
> immediately accessing *localhost:9888/#/DiskUsage* as soon as Recon comes up.
> This error will be thrown
> [here|https://github.com/devabhishekpal/ozone/blob/8f2689dfe5f9b79e64f7d78acbaaf300c1ccbd1c/hadoop-ozone/recon/src/main/resources/webapps/recon/ozone-recon-web/src/v2/components/plots/duPieChart.tsx#L99]
> and
> [here|https://github.com/devabhishekpal/ozone/blob/8f2689dfe5f9b79e64f7d78acbaaf300c1ccbd1c/hadoop-ozone/recon/src/main/resources/webapps/recon/ozone-recon-web/src/v2/components/plots/duPieChart.tsx#L105]
> We should wrap the above path references in nullish coalescing operator
> ({*}??{*}) and provide an empty string as a fallback for the 'path' property
> in case it is undefined so that the split() method isn't invoked on undefined.
> Expected change:
> {code:javascript}
> [(path ?? '').split('/').pop() ?? '']
> {code}
> Same change should be done for *subpath.path*
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