[wp-trac] [WordPress Trac] #11138: WordPress deactivates plugin after upgrade

[WordPress Trac]

#11138: WordPress deactivates plugin after upgrade
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 Reporter:  sirzooro      |       Owner:  westi      
     Type:  defect (bug)  |      Status:  new        
 Priority:  normal        |   Milestone:  2.9        
Component:  Plugins       |     Version:  2.8.5      
 Severity:  normal        |    Keywords:  needs-patch
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 I have group of sites which reuse the same installation of WP - in wp-
 config.php I set DB prefix depending on value of `$_SERVER['HTTP_HOST']`.

 When some plugin has update available, I update do update on one of sites.
 When I do this and go to other site, WP shows that the same update is
 available (this is OK for me). I usually open plugin list to dismiss it.
 Usually this works, but sometimes WP deactivates upgraded plugin and
 displays error 'The plugin <name> has been deactivated due to an error:
 Plugin file does not exist.'.

 I am sure that file exists, because last time this happened for my plugin.

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Ticket URL: <http://core.trac.wordpress.org/ticket/11138>
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