[wp-trac] [WordPress Trac] #34976: Plug ins fail to update after WP 4.4 installed

[WordPress Trac]

#34976: Plug ins fail to update after WP 4.4 installed
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 Reporter:  patdundee       |       Owner:
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  4.4.1
Component:  Filesystem API  |     Version:  4.4
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:
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Comment (by marceltencaat):

 Similar issues here, although problem seems to have started before even
 upgrading to 4.4. In fact I got the message "Unable to locate WordPress
 Content > directory (wp-content)" when I tried to update.

 After some permission setting changes finally managed to update it to
 4.4....but then I encountered the update issues with plugins/themes.

 Example:
 ----
 The update process is starting. This process may take a while on some
 hosts, so please be patient.

 Enabling Maintenance mode…

 Updating Plugin TinyMCE Advanced (1/1)
 Downloading update from https://downloads.wordpress.org/plugin/tinymce-
 advanced.4.2.8.zip…
 Unpacking the update…
 Installing the latest version…
 Removing the old version of the plugin…
 Plugin update failed.
 An error occurred while updating TinyMCE Advanced: Could not create
 directory. /public_html/wp-content/plugins/tinymce-advanced/
 All updates have been completed
 ----
 Once that has happened I get the "Briefly unavailable for scheduled
 maintenance. Check back in a minute." message which can only be removed by
 manually deleting the .maintenance file via cPanel 11.52.1.3.

 Deleting the plugin/theme and then installing the plugin/theme as new
 works - after clearing cache, but also results in the maintenance page
 staying on.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34976#comment:74>
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