[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           |   Keywords:
  Focuses:                   |
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 After running a routine plugin update, the site became inaccessible for a
 few minutes with a blank white page saying "Briefly unavailable for
 scheduled maintenance. Check back in a minute." After approximately four
 minutes, the site became accessible again but the admin pages now show the
 message "An automated WordPress update has failed to complete - please
 attempt the update again now."

 The words "please attempt the update again now" are a link to /wp-admin
 /update-core.php

 Clicking the link has no effect, it simply reloads the page and the
 message is still there. It seems like this means one of two things: 1)
 there is no update that needs to be re-attempted, in which case the update
 software should realize that and remove the message - or 2) there really
 is an update needing to be installed and failing, in which case the error
 message should give the user some additional information (what plugin
 specifically is it that needs the update? what specifically is the reason
 it failed? etc).

 Any suggestions on how to debug this problem and remove the persistent
 error message?

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