i disabled the plesk mobile extension and it seem they errors are gone for now - maybe to many cronjobs for the vps. CPU usage is freeaking low normaly never over 5% and RAM usage is 400MB from 4GB.
I got this:
2015/01/14 04:30:23 [alert] 32017#0: worker process 32018 exited on signal 9
could be for this error whatchdog mail:
The Plesk Web Server service on host xxx.de is down.
The problem was discovered on Jan 14, 2015 04:30 .
Der Service Plesk Web Server auf dem Host xxx.de wurde am...
It doesent help. its getting worse 2 times "Plesk Web Server" down since i have done teh bootstrapper repair since yesterday.
but for that there are no error logs now in /usr/local/psa/admin/logs/panel.log
I got 2 watchdog msg for "Plesk Web Server" and "MYSQL" goes inactiv and 10min later a msg for both go active again.
This happens all 2-3 days.
Here my error logs for that problem:
[2015-01-04 15:38:59] ERR [panel] SQLSTATE[HY000] [2002] No such file or directory:
0: Abstract.php:144...