Created attachment 60278 [details]
.xsession-errors

Version:           4.6
OS:                Linux

nepomukservicestub is way to verbose flooding .xsession-errors with useless data.
In general KDE is way to verbose with useless unnecessary messages, which are confusing and makes the purpose of .xsession-errors doubtful necessary.
I tried to disable with kdebugdialog with no luck..  
when I log in it's already 100 k , in a hour or 1 it grew to 200k.
We should be able to control it more with a setting with silent only critical.
Or when debugging raise it to verbose.. Because in my opinion kdebugdialog is useless now.

It can scare newcomers to linux thinking something is wrong with their system. Which is unneeded..

Reproducible: Didn't try

Steps to Reproduce:
Look at .xsession-errors

Actual Results:  
growing .xsession-errors with useless data.

Expected Results:  
A controllable .xsession-errors with options from silent to very verbose.

Can we add a feature to control .xsesion-errors with options from silent to very verbose if needed for debugging. kdebugdialog is in my opinion not working.

I added my .xsession-errors with all debugging disabled.