logging

[bobykus]

Server Log
File Name /path/to/error.log
Log Level ERROR
Debug LeveNONE
Rolling Size (bytes) 10M
Enable stderr Log No


and error.log full of

2012-11-20 17:00:20.900 [STDERR] LSAPI: SUEXEC_UGID set UID: 248238, GID: 248238
2012-11-20 17:00:21.475 [STDERR] LSAPI: SUEXEC_UGID set UID: 251552, GID: 251552
2012-11-20 17:00:21.489 [STDERR] LSAPI: SUEXEC_UGID set UID: 248158, GID: 248158



and most annoying

2012-11-20 16:58:16.938 [STDERR] PHP Warning: feof() expects parameter 1 to be resource, boolean given in loadData.php on line 6
2012-11-20 16:58:16.938 [STDERR] PHP Warning: fgets() expects parameter 1 to be resource, boolean given in loadData.php on line 7
...

Why?