[wp-trac] [WordPress Trac] #54546: Fatal error receive while updating WP 5.8.2 to WP 5.9.

[WordPress Trac]

#54546: Fatal error receive while updating WP 5.8.2 to WP 5.9.
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 Reporter:  apeksha10                  |       Owner:  (none)
     Type:  defect (bug)               |      Status:  new
 Priority:  normal                     |   Milestone:  5.9
Component:  Upgrade/Install            |     Version:  trunk
 Severity:  normal                     |  Resolution:
 Keywords:  needs-patch needs-testing  |     Focuses:
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Comment (by pbiron):

 Replying to [comment:20 hellofromTonya]:
 > === The 2 Known Problems
 >
 > There are 2 problems surfaced from this ticket:
 >
 > 1. Problem 1: Fatal error. Root cause reason is known.
 >     * Root cause reason: Not all of the needed upgrade code is loaded
 into memory ''before'' the filesystem is changed with the new "to" version
 of the files.
 >     * Note: In this specific case, it's the exception file within
 Requests. But it could easily be some other code for a different or future
 scenario.
 > 2. Problem 2: cURL timeout error happens. Root cause reason is unknown.
 >     * Root cause reason: ??

 Has anyone been able to identify what is making the "Problem 2" request?
 And what is being requested?  Is it the updater itself (e.g., trying to
 update language packs after core has been updated)?  Or is it possibly a
 plugin that has hooked into
 [https://developer.wordpress.org/reference/hooks/upgrader_process_complete/
 upgrader_process_complete]?

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Ticket URL: <https://core.trac.wordpress.org/ticket/54546#comment:23>
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