Thanks 
It is working now. I had more than one version downloaded in the directory and when i set the path i did not know which one it was picking. I deleted all other versions other than 1.7 and ran again and it worked 
Thanks It is working now. I had more than one version downloaded in the directory and when i set the path i did not know which one it was picking. I deleted all other versions other than 1.7 and ran again and it worked