ColdFusion 11 Application log full of "Error","scheduler-2","11/26/15","09:46:51",,""

Hello

I'm running ColdFusion 11 (11,0,06,295053) in a SLESS 12 with Apache 2.4.10

I found my logs full of messages like that:

application.log:

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

     "Error","scheduler-2","11/26/15","09:46:51",,""

coldfusion-out.log

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

     nov 26, 2015 09:46:51 AM Error [scheduler-2] -

exception.log

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

     "Error","scheduler-2","11/26/15","09:46:51",,""

     java.lang.NullPointerException

But no error page, no users tell me something about error while their working in my sites ...

How i can get more information on these errors?

Thank you

Bye

Cristian