[horde] Upgrade PHP 5.4.45 to 5.6.31

[Jan Schneider]

Zitat von Anton Köstlbacher <horde3 at dingsbums.org>:

> Am 11.08.2017 um 11:29 schrieb Jan Schneider:
>>
>> Zitat von Anton Köstlbacher <horde3 at dingsbums.org>:
>>
>>> Hi Horders,
>>>
>>> I tried updating a Debian Wheezy PHP from 5.4.45-0+deb7u9 to  
>>> 5.6.31-1~dotdeb+7.1
>>>
>>> After upgrading PHP, other apps like Mediakwiki, Wordpress etc.  
>>> are working just fine.
>>>
>>> When logging into Horde I get:
>>>
>>> 2017-08-10T22:25:26+02:00 EMERG: HORDE  
>>> Horde_Prefs_Scope::serialize() must return a string or NULL [pid  
>>> 21634 on line 62 of  
>>> "/usr/share/php/Horde/Prefs/Cache/HordeCache.php"]
>>>
>>> I disabled all caching, but it doesn't help. There were changes in  
>>> PHP regarding serialization and also json_decode. Could there be  
>>> serialized values in hordes prefs table which need to be  
>>> updated/corrected before upgrading PHP?
>>>
>>> Sorry if this was asked before, but I couldn't find anything.  
>>> Thanks for your help!
>>>
>>> Kind Regards,
>>> Anton
>>
>> It's rather json_encode that seems to failing. Try raising the log  
>> level to get any warnings and errors from that call.
>
> Did that already, I found this occurences in the log:
>
> 2017-08-10T22:46:26+02:00 DEBUG: HORDE Load config file (conf.php;  
> app: horde) [pid 25053 on line 110 of  
> "/usr/share/php/Horde/Registry/Loadconfig.php"]
> 2017-08-10T22:46:26+02:00 DEBUG: HORDE Load config file (hooks.php;  
> app: horde) [pid 25053 on line 110 of  
> "/usr/share/php/Horde/Registry/Loadconfig.php"]
> 2017-08-10T22:46:26+02:00 DEBUG: HORDE Read session data  
> (kaj411tfd43go08ekl7pcquov1) [pid 25053]
> 2017-08-10T22:46:26+02:00 DEBUG: HORDE [horde] Load config file  
> (nls.php; app: horde) [pid 25053 on line 110 of  
> "/usr/share/php/Horde/Registry/Loadconfig.php"]
> 2017-08-10T22:46:26+02:00 DEBUG: HORDE [horde] Load config file  
> (prefs.php; app: horde) [pid 25053 on line 110 of  
> "/usr/share/php/Horde/Registry/Loadconfig.php"]
> 2017-08-10T22:46:26+02:00 EMERG: HORDE [horde]  
> Horde_Prefs_Scope::serialize() must return a string or NULL [pid  
> 25053 on line 62 of "/usr/share/php/Horde/Prefs/Cache/HordeCache.php"]
> 2017-08-10T22:46:26+02:00 DEBUG: HORDE 1. require()  
> /var/www/buero/web/xxxx.de/webmail/login.php:243
> 2. Horde_Prefs->getValue() /var/www/buero/web/xxxx.de/webmail/index.php:62
> 3. Horde_Prefs->_getScope() /usr/share/php/Horde/Prefs.php:289
> 4. Horde_Prefs->_loadScope() /usr/share/php/Horde/Prefs.php:382
> 5. Horde_Prefs_Cache_HordeCache->store() /usr/share/php/Horde/Prefs.php:457
> 6. serialize() /usr/share/php/Horde/Prefs/Cache/HordeCache.php:62
>
> And second with ActiveSync:
>
> 2017-08-10T22:50:41+02:00 DEBUG: HORDE  1.  
> Horde_Rpc_ActiveSync->getResponse()  
> /var/www/buero/web/xxxx.de/webmail/rpc.php:160
>  2. Horde_ActiveSync->handleRequest()  
> /usr/share/php/Horde/Rpc/ActiveSync.php:143
>  3. Horde_ActiveSync->authenticate() /usr/share/php/Horde/ActiveSync.php:753
>  4. Horde_Core_ActiveSync_Driver->authenticate()  
> /usr/share/php/Horde/ActiveSync.php:578
>  5. Horde_Core_ActiveSync_Auth->authenticate()  
> /usr/share/php/Horde/Core/ActiveSync/Driver.php:221
>  6. Horde_Core_Auth_Application->authenticate()  
> /usr/share/php/Horde/Core/ActiveSync/Auth.php:63
>  7. Horde_Core_Auth_Application->_setAuth()  
> /usr/share/php/Horde/Core/Auth/Application.php:150
>  8. Horde_Registry->setAuth()  
> /usr/share/php/Horde/Core/Auth/Application.php:673
>  9. Horde_Registry->preferredLang() /usr/share/php/Horde/Registry.php:2616
> 10. Horde_Prefs->getValue() /usr/share/php/Horde/Registry.php:2843
> 11. Horde_Prefs->_getScope() /usr/share/php/Horde/Prefs.php:289
> 12. Horde_Prefs->_loadScope() /usr/share/php/Horde/Prefs.php:382
> 13. Horde_Prefs_Cache_HordeCache->store() /usr/share/php/Horde/Prefs.php:457
> 14. serialize() /usr/share/php/Horde/Prefs/Cache/HordeCache.php:62
>
> Uptodate Horde Webmail. Disabled cache and emptied cache and static  
> directories. Deleted sessions and cookies.

Then you seem to have a broken json extension.

json_encode is only supposed to return a non-string, i.e. a boolean  
value of false, on an error condition. And error would show up in the  
logs.
Did you check your error_reporting level too?

-- 
Jan Schneider
The Horde Project
https://www.horde.org/