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Resolved Apache Restarting randomly, frequently

Nathan Platt

New Pleskian
Hi everyone,

I'm running Plesk Onyx and recently i've noticed Apache rebooting, its normally happening when installing a WordPress site from either autoprovisioning or WordPress toolkit, recently a few customers are reporting the issues as well. I can see that Apache is shutting down gracefully;

Code:
[ 2017-07-04 14:00:51.7016 529236/7f7bd3d03880 age/Wat/WatchdogMain.cpp:1291 ]: Starting Passenger watchdog...
[ 2017-07-04 14:00:51.7122 529239/7f06411c5880 age/Cor/CoreMain.cpp:982 ]: Starting Passenger core...
[ 2017-07-04 14:00:51.7123 529239/7f06411c5880 age/Cor/CoreMain.cpp:235 ]: Passenger core running in multi-application mode.
[ 2017-07-04 14:00:51.7154 529239/7f06411c5880 age/Cor/CoreMain.cpp:732 ]: Passenger core online, PID 529239
[ 2017-07-04 14:00:51.7261 529246/7fabd61f5880 age/Ust/UstRouterMain.cpp:529 ]: Starting Passenger UstRouter...
[ 2017-07-04 14:00:51.7274 529246/7fabd61f5880 age/Ust/UstRouterMain.cpp:342 ]: Passenger UstRouter online, PID 529246

[ 2017-07-04 14:00:51.7447 529246/7fabd099a700 age/Ust/UstRouterMain.cpp:422 ]: Signal received. Gracefully shutting down... (send signal 2 more time(s) to force shutdown)

[ 2017-07-04 14:00:51.7447 529246/7fabd61f5880 age/Ust/UstRouterMain.cpp:492 ]: Received command to shutdown gracefully. Waiting until all clients have disconnected...
[ 2017-07-04 14:00:51.7447 529239/7f063b45d700 age/Cor/CoreMain.cpp:532 ]: Signal received. Gracefully shutting down... (send signal 2 more time(s) to force shutdown)
[ 2017-07-04 14:00:51.7448 529239/7f06411c5880 age/Cor/CoreMain.cpp:901 ]: Received command to shutdown gracefully. Waiting until all clients have disconnected...
[ 2017-07-04 14:00:51.7448 529246/7fabc3fff700 Ser/Server.h:817 ]: [UstRouterApiServer] Freed 0 spare client objects
[ 2017-07-04 14:00:51.7448 529246/7fabc3fff700 Ser/Server.h:464 ]: [UstRouterApiServer] Shutdown finished
[ 2017-07-04 14:00:51.7451 529239/7f063abdb700 Ser/Server.h:817 ]: [ServerThr.2] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7451 529239/7f063abdb700 Ser/Server.h:464 ]: [ServerThr.2] Shutdown finished
[ 2017-07-04 14:00:51.7451 529239/7f05fbfff700 Ser/Server.h:817 ]: [ServerThr.7] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7452 529239/7f05fbfff700 Ser/Server.h:464 ]: [ServerThr.7] Shutdown finished
[ 2017-07-04 14:00:51.7455 529239/7f05fb7fe700 Ser/Server.h:817 ]: [ServerThr.8] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7455 529246/7fabd099a700 Ser/Server.h:464 ]: [UstRouter] Shutdown finished
[ 2017-07-04 14:00:51.7455 529239/7f063b45d700 Ser/Server.h:817 ]: [ServerThr.1] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7455 529239/7f05fb7fe700 Ser/Server.h:464 ]: [ServerThr.8] Shutdown finished
[ 2017-07-04 14:00:51.7456 529239/7f063b45d700 Ser/Server.h:464 ]: [ServerThr.1] Shutdown finished
[ 2017-07-04 14:00:51.7456 529239/7f0639ad7700 Ser/Server.h:817 ]: [ServerThr.4] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7457 529239/7f0639ad7700 Ser/Server.h:464 ]: [ServerThr.4] Shutdown finished
[ 2017-07-04 14:00:51.7457 529239/7f06389d3700 Ser/Server.h:817 ]: [ServerThr.6] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7457 529239/7f06389d3700 Ser/Server.h:464 ]: [ServerThr.6] Shutdown finished
[ 2017-07-04 14:00:51.7458 529239/7f063a359700 Ser/Server.h:817 ]: [ServerThr.3] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7458 529239/7f063a359700 Ser/Server.h:464 ]: [ServerThr.3] Shutdown finished
[ 2017-07-04 14:00:51.7458 529239/7f0639255700 Ser/Server.h:817 ]: [ServerThr.5] Freed 128 spare client objects
[ 2017-07-04 14:00:51.7458 529239/7f0639255700 Ser/Server.h:464 ]: [ServerThr.5] Shutdown finished
[ 2017-07-04 14:00:51.7460 529239/7f05faffd700 Ser/Server.h:817 ]: [ApiServer] Freed 0 spare client objects
[ 2017-07-04 14:00:51.7460 529239/7f05faffd700 Ser/Server.h:464 ]: [ApiServer] Shutdown finished
[ 2017-07-04 14:00:51.7468 529246/7fabd61f5880 age/Ust/UstRouterMain.cpp:523 ]: Passenger UstRouter shutdown finished

This is virtual machine running on XenServer. Anyone have any ideas what's causing it
 
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