Cannot find symbol (CertAndKeyGen) with JDK8

Hi, I am trying to compile my classes (which make use of sun.security.tools.keytool CertAndKeyGen) but I am always getting "cannot find symbol". If I add the JRE-lib folder into my build-script it works. I don´t know why, as the JDK-lib folder also contains the rt.jar containing the needed clas

AW: Cannot find symbol (CertAndKeyGen) with JDK8

- To be more specific, I am running this script from CLI: - This is the class: import sun.security.tools.keytool.CertAndKeyGen; public class AntPr