FitNesseWontStart [add child]

What to Do if Port 80 Is Already In Use

If you see the message:

FitNesse cannot be started...

Then port 80 is already in use by another web server running on your machine (e.g., perhaps by Microsoft's IIS server). In this case:

What to Do If You Have the Wrong Java Runtime Environment

FitNesse requires version 1.4 or later of the Java Runtime Environment (JRE).
If you see the messages:

C:\fitnesse>java -cp fitnesse.jar fitnesse.FitNesse
Exception in thread "main" java.lang.NoClassDefFoundError:
at fitnesse.FitNesse.parseCommandLine(Unknown Source)
at fitnesse.FitNesse.main(Unknown Source)

Press any key to continue . . .

Then you need to download and install version 1.4 or later of the JRE. Follow these steps: