[horde] PHP Errors about "Undefined index" in Memcache.php

[Andreas Ntaflos]

Hi,

I keep getting PHP error messages like the following in my Horde log file:

2011-08-11T21:14:03+02:00 NOTICE: HORDE [imp] PHP ERROR: Undefined 
index: 96fe45c96b16c907b4d61c78d9f09196 [pid 21546 on line 194 of 
"/usr/share/php/Horde/Memcache.php"]
2011-08-11T21:14:03+02:00 NOTICE: HORDE [imp] PHP ERROR: Undefined 
index: 0e971258031bf26859e8416a1d527b4c [pid 21546 on line 194 of 
"/usr/share/php/Horde/Memcache.php"]
2011-08-11T21:14:03+02:00 NOTICE: HORDE [imp] PHP ERROR: Undefined 
index: ca35462e6d1da6768437ec078e8b294f [pid 21546 on line 194 of 
"/usr/share/php/Horde/Memcache.php"]
2011-08-11T21:19:19+02:00 NOTICE: HORDE PHP ERROR: Undefined index: 
e517485241af57249a8e3becfd146806 [pid 21581 on line 194 of 
"/usr/share/php/Horde/Memcache.php"]
2011-08-11T21:19:19+02:00 NOTICE: HORDE PHP ERROR: Undefined index: 
068448554abd8748adec1b04042735f3 [pid 21581 on line 194 of 
"/usr/share/php/Horde/Memcache.php"]

I am not sure what these mean and how serious they are but they started 
appearing after I upgraded from Horde 3.3.11 to Horde 4. Whatever causes 
these messages doesn't seem to affect Horde negatively but I'd like to 
understand what is going on.

Using Horde 4.0.8, Ubuntu 10.04.3, PHP 5.3.2. The test.php page shows no 
errors, missing modules or any other kind of misconfiguration (see 
https://horde.ptmx.org/test.php if you are interested).

Any ideas?

Thanks in advance,

Andreas

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