[wp-trac] [WordPress Trac] #27669: Stale `db_version` value after automatic update with external object cache

WordPress Trac noreply at wordpress.org
Fri Apr 4 13:00:54 UTC 2014


#27669: Stale `db_version` value after automatic update with external object cache
-----------------------------+-----------------------------
 Reporter:  johnbillion      |      Owner:
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Upgrade/Install  |    Version:  trunk
 Severity:  critical         |   Keywords:
  Focuses:                   |
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 This is similar to #26173 but not quite the same.

 My site runs trunk with the WordPress Beta Tester and Memcached plugins.
 The site just updated to [27916] and I'm getting the "No Update Required"
 loop which prevents any access to the admin area.

 The `db_version` option in my database has been updated to the correct
 value (`27916`) but `get_option('db_version')` on any admin page returns a
 stale value (`26691`). Unlike #26173, the option has been updated with the
 correct value but the cache remains stale (instead of updating the option
 with a stale value).

 On `/wp-admin/upgrade.php` the object cache is suspended so the non-stale
 value is returned, which results in the "No Update Required" message.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27669>
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