Chan Ho Lee created ZEPPELIN-6214:
-------------------------------------
Summary: Web app is not handling carriage return (`\r`)
Key: ZEPPELIN-6214
URL: https://issues.apache.org/jira/browse/ZEPPELIN-6214
Project: Zeppelin
Issue Type: Bug
Reporter: Chan Ho Lee
Attachments: image-2025-07-07-22-05-40-945.png,
image-2025-07-07-22-06-16-143.png
* Summary
** The new UI (`zeppelin-web-angular`) does not currently handle carriage
return (`\r`) characters properly, causing certain outputs to appear
unnecessarily long.
* Description
** In the classic UI (`zeppelin-web`), we used to handle the carriage return
character by replacing lines accordingly - this helped render outputs like
progress bars or overwrite-style logs in a concise, readable form.
** However, the new UI does not currently implement similar logic, so outputs
that rely on `\r` appear overly long and cluttered.
** We may need to add logics similar to what's in the `zeppelin-web`,
specifically in files like
[result.controller.js|https://github.com/apache/zeppelin/blob/8ca6e57f27324b1e74fc78bea5cabd176b607408/zeppelin-web/src/app/notebook/paragraph/result/result.controller.js#L527]
,
[result.js|https://github.com/apache/zeppelin/blob/8ca6e57f27324b1e74fc78bea5cabd176b607408/zeppelin-web/src/app/notebook/paragraph/result/result.js#L23]
to properly process carriage returns.
* Example
*
** Classic UI (zeppelin-web),
*** !image-2025-07-07-22-05-40-945.png!
** New UI (zeppelin-web-angular)
*** !image-2025-07-07-22-06-16-143.png!
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