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https://issues.apache.org/jira/browse/FLINK-31541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17703232#comment-17703232
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Weihua Hu commented on FLINK-31541:
-----------------------------------
[~tanjialiang] Thanks report this. It's caused by we put parameters in url
directly, so http component not encode the special characters.
I would like to take this ticket.
> Get metrics in Flink WEB UI error
> ---------------------------------
>
> Key: FLINK-31541
> URL: https://issues.apache.org/jira/browse/FLINK-31541
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Metrics, Runtime / Web Frontend
> Affects Versions: 1.16.1
> Reporter: tanjialiang
> Priority: Major
> Attachments: image-2023-03-21-20-28-56-348.png
>
>
> When i get a metrics from a operator which name contains '[' or ']', it will
> be return 400 from rest response.
> The reason is we can not submit an GET request which params contains '[' or
> ']', it is invaild in REST.
>
> !image-2023-03-21-20-28-56-348.png!
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