Failed to run "javac -version", make sure that you have a JDK version 8 installed. You can get it from the following location: https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
the codedom provider type "microsoft.codedom.providers.dotnetcompilerplatform.csharpcodeprovider, microsoft.codedom.providers.dotnetcompilerplatform, version=2.0.1.0, culture=neutral, publickeytoken=31bf3856ad364e35" could not be located.