log4net with .NET 4.0

Question

I\'ve thrown together some code to tinker with the new .Net 4.0/VS 2010 pieces, but I can\'t seem to find a build of my logging framework of choice (log4net) for 4.0, and I\

Answer 1

log4net has a known issue of referencing a System.Web component which is not part of the .NET Framework 4 Client Profile and the VS2010 by default sets project target to be the lightweighted Client Profile. The solution is to change the target to .NET Framework 4:

Right click project -> properties -> Application. Change:

 .NET Framework 4 Client Profile

to be:

 .NET Framework 4

... and that should work, i.e. you can use log4net again...