Recently added log4net.dll to our data object. Our data object builds perfectly but when you try to build anything that references our data object you get the following error:
No way to resolve conflict between "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" and "log4net, Version=1.2.9.0, Culture=neutral, PublicKeyToken=b32731d11ce58905". Choosing "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" arbitrarily.
I found the following thread that enabled me to get more information about the problem.
log4net is used for a variety of things in our project. For example, crystal installed 1.2.9 into the GAC. I know infragictics uses 1.2.10.
We have a specific directory - call it c:\references - where we build all our dlls to and that all our applications use to reference our internal dlls. So I specifically set my reference in our data object to c:\references\log4net.dll which is version 1.2.11. Which is weird because in the error message above you don't see 1.2.11. The dll is referenced with specific version: = True & Copy Local:= True. I checked the build directory & 1.2.11 of log4net did get moved correctly.
If it helps here are some of the detailed error messages:
There was a conflict between "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" and "log4net, Version=1.2.9.0, Culture=neutral, PublicKeyToken=b32731d11ce58905".
No way to resolve conflict between "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" and "log4net, Version=1.2.9.0, Culture=neutral, PublicKeyToken=b32731d11ce58905". Choosing "log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=692fbea5521e1304" arbitrarily.
References which dep