[jira] [Commented] (KUDU-3402) Make tracing.html work on newer browsers

["Marton Greber (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KUDU-3402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17607189#comment-17607189 ] 

Marton Greber commented on KUDU-3402:
-------------------------------------

After some digging I found that Trace-viewer lives in the [catapult-project|https://github.com/catapult-project/catapult]. It looks like it is still maintained.

In Cloudera's catapult fork there is a [kudu branch|https://github.com/cloudera/catapult/tree/kudu]. (it is almost 8k commits behind :( )

 

> Make tracing.html work on newer browsers
> ----------------------------------------
>
>                 Key: KUDU-3402
>                 URL: https://issues.apache.org/jira/browse/KUDU-3402
>             Project: Kudu
>          Issue Type: Improvement
>            Reporter: Marton Greber
>            Priority: Minor
>
> After starting up Kudu, navigate to one of the Master or Tablet Server /tracing.html endpoint to see the tracing web UI. By using a recent version of Chrome, one gets a blank screen. Pulling up the logs, one can see the root cause: document.registerElement:
> {code:java}
> Uncaught TypeError: document.registerElement is not a function
>     at tracing.js:31:88
>     at tracing.js:31:448 {code}
> By checking the [MDN Web Docs|https://developer.mozilla.org/en-US/docs/Web/API/Document/registerElement], it can be seen, that this feature has been deprecated. In Chrome it was removed in version 80.



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