[wp-trac] [WordPress Trac] #34393: "update has failed" message won't go away

[WordPress Trac]

#34393: "update has failed" message won't go away
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 Reporter:  steevithak       |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Upgrade/Install  |     Version:  4.3.1
 Severity:  normal           |  Resolution:
 Keywords:                   |     Focuses:
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Comment (by swissspidy):

 From the docs in `maintenance_nag()`, the function responsible for that
 message:

 {{{
 If an update failed critically, we may have copied over version.php but
 not other files.
 In that case, if the install claims we're running the version we
 attempted, nag.
 This is serious enough to err on the side of nagging.

 If we simply failed to update before we tried to copy any files, then
 assume things are
 OK if they are now running the latest.

 This flag is cleared whenever a successful update occurs using
 Core_Upgrader.
 }}}

 Re-running the core update should fix this.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34393#comment:1>
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