Change record status: 
Project: 
Introduced in branch: 
8.1.x
Description: 

ControllerBase now has a method to get a logger.
You can use it like this:

  public function myControllerMethod() {
    $this->getLogger('my-channel')->error('My error');
  }
Impacts: 
Module developers
Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Other updates done