[horde] Cache version change

[Michael J Rubinsky]

Quoting Michael J Rubinsky <mrubinsk at horde.org>:

> Quoting Michael M Slusarz <slusarz at horde.org>:
>
>> Quoting lst_hoe02 at kwsoft.de:
>>
>>> with the today updates we get when login in to Horde/IMP "cache  
>>> version change" and no mail is displayed at all. If have reset the  
>>> Horde cache with horde-clear-cache stopped the webserver and  
>>> cleaned all cache-files and cleared the Browser cache to no avail.  
>>> Any idea how to fix this?
>>
>> Can't reproduce at all.
>>
>> "Cache version change" should not be shown to the user.  At least I  
>> can't reproduce that either, even if I manually change the cache  
>> version.
>
> I can reproduce it locally. Enabling SQL caching in  
> backends.local.php prevents the mail list from loading and it shows  
> the "Cache version change" error. I'll try to track this down,  
> Michael, but any pointers on where to look are appreciated.

Nevermind, fixed. See:  
https://github.com/horde/horde/commit/7e294a74e5f39560f4faf0c72249574e84b4a7c6

For the record, here is the backtrace when the Cache version change  
exception was thrown for me:

2014-11-24T00:52:10-05:00 DEBUG: Backtrace:
  1. Horde_Core_Ajax_Application->doAction()  
/usr/local/horde/horde/horde/services/ajax.php:61
  2. call_user_func()  
/usr/local/horde/horde/framework/Core/lib/Horde/Core/Ajax/Application.php:175
  3. IMP_Ajax_Application_Handler_Dynamic->dynamicInit()
  4. Horde_Core_Ajax_Application->callAction()  
/usr/local/horde/horde/imp/lib/Ajax/Application/Handler/Dynamic.php:450
  5. call_user_func()  
/usr/local/horde/horde/framework/Core/lib/Horde/Core/Ajax/Application.php:257
  6. IMP_Ajax_Application_Handler_Common->viewPort()
  7. IMP_Ajax_Application->viewPortData()  
/usr/local/horde/horde/imp/lib/Ajax/Application/Handler/Common.php:105
  8. IMP_Ajax_Application_ListMessages->listMessages()  
/usr/local/horde/horde/imp/lib/Ajax/Application.php:256
  9. IMP_Ajax_Application_ListMessages->_getOverviewData()  
/usr/local/horde/horde/imp/lib/Ajax/Application/ListMessages.php:385
10. IMP_Mailbox_List->getMailboxArray()  
/usr/local/horde/horde/imp/lib/Ajax/Application/ListMessages.php:431
11. IMP_Imap->fetch() /usr/local/horde/horde/imp/lib/Mailbox/List.php:170
12. IMP_Imap->__call() /usr/local/horde/horde/imp/lib/Mailbox/List.php:170
13. call_user_func_array() /usr/local/horde/horde/imp/lib/Imap.php:712
14. Horde_Imap_Client_Base->fetch()
15. Horde_Imap_Client_Base->_fetchWrapper()  
/usr/local/horde/horde/framework/Imap_Client/lib/Horde/Imap/Client/Base.php:2418
16. Horde_Imap_Client_Cache->get()  
/usr/local/horde/horde/framework/Imap_Client/lib/Horde/Imap/Client/Base.php:2551
17. IMP_Imap_Cache_Wrapper->get()  
/usr/local/horde/horde/framework/Imap_Client/lib/Horde/Imap/Client/Cache.php:112
18. IMP_Imap_Cache_Wrapper->__call()  
/usr/local/horde/horde/framework/Imap_Client/lib/Horde/Imap/Client/Cache.php:112
19. call_user_func_array()  
/usr/local/horde/horde/imp/lib/Imap/Cache/Wrapper.php:119
20. Horde_Imap_Client_Cache_Backend_Db->get()
21. unserialize()  
/usr/local/horde/horde/framework/Imap_Client/lib/Horde/Imap/Client/Cache/Backend/Db.php:89
22. Horde_Imap_Client_Data_Envelope->unserialize()
23. unserialize()  
/usr/local/horde/horde/framework/Imap_Client/lib/Horde/Imap/Client/Data/Envelope.php:220
24. Horde_Mime_Headers->unserialize()
25. Horde::debug()  
/usr/local/horde/horde/framework/Mime/lib/Horde/Mime/Headers.php:452

-- 
mike
The Horde Project
http://www.horde.org
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