[imp] Lots of Warnings in horde.log

[lst_hoe02 at kwsoft.de]

Zitat von Karsten Schlimme <karsten at schlimme.net>:

> Hi everybody!
>
> I just finished my first Horde (webmail edition) install on Ubuntu  
> 12.04. After I had some problems with changing the language (I had  
> to add my wanted language and do a "|dpkg-reconfigure locales") and  
> with ActiveSync (I had to manually choose every folder for syncing  
> at the client), my only problem are lots of warnings in the  
> horde.log. After 15 minutes there are ~2000 new warnings, most of  
> them look like this:
>
> 2014-01-21T17:56:27+00:00 WARN: HORDE [imp] PHP ERROR: array_map():  
> Argument #2 should be an array [pid 3581 on line 706 of  
> "/usr/share/php/Horde/Imap/Client/Base.php"]
>
> ..only the pid changes. Every 8th of those warnings is followed by:
>
> 2014-01-21T18:25:53+00:00 WARN: HORDE [imp] PHP ERROR:  
> array_filter() expects parameter 1 to be array, null given [pid 6659  
> on line 719 of "/usr/share/php/Horde/Imap/Client/Base.php"]
> 2014-01-21T18:25:53+00:00 WARN: HORDE [imp] PHP ERROR: array_diff():  
> Argument #1 is not an array [pid 6659 on line 719 of  
> "/usr/share/php/Horde/Imap/Client/Base.php"]

What IMAP server is used? Do you use IMAP caching?
Maybe clearing the cache could help "horde-clear-cache->y"

Regards

Andreas