[wp-trac] [WordPress Trac] #13571: Some plugins affected by "Could not remove the old plugin."

[WordPress Trac]

#13571: Some plugins affected by "Could not remove the old plugin."
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 Reporter:  pavelevap        |       Owner:  dd32             
     Type:  defect (bug)     |      Status:  new              
 Priority:  normal           |   Milestone:  3.1              
Component:  Upgrade/Install  |     Version:  3.0              
 Severity:  normal           |    Keywords:  reporter-feedback
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Comment(by dd32):

 Can you reproduce this as well? time after time? Or is it sporadic?

 Are you using an SVN export of WordPress? (What client?) Are you running
 any antivirus and/or Search indexing applications?

 Try disabling as much as possible of file-related applications and see if
 you can reproduce. That error message will be given when PHP itself cannot
 delete the files from the plugin folder for some reason, common reasons on
 windows is that something else has the files/folder locked.

 Under Windows Vista/7, This might also be caused by you editing a file,
 and the ACL's then denying Apache(and therefor, PHP) write access to the
 file..

 When the upgrade fails, What is left in the Plugins folder? Nothing? All
 the files? (compare folder size before and after), Specific files?

 I used to have this problem often while using TortoiseSVN, It would
 sometimes lock the files and track the file updates.. I havnt had the
 problem since updating TortoiseSVN in awhile.

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Ticket URL: <http://core.trac.wordpress.org/ticket/13571#comment:3>
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