First check whether JDK is being installed in your system.    C:\> java -version The output will look something like: Java version "1.6.0_03" Java(TM) SE Runtime Environment (build 1.6.0_03-b05) Java HotSpot(TM) Client VM (build 1.6.0_03-b05, mixed mode, sharing) This means jdk 1.6 is installed and windows knows its path. Just to ensure set the environment variable … Read more