build problem with gradle

[bigpodgurc 0]

i have mod ready for build but cant get it to build bc gradle shows me error that i do not have JDK installed but when i downloaded mod code for another mod from github it worked perfectly i cannot make it to build in my mod instance i have forge 1.7.10-13.0.2008 if it is problem with version what to do

plz let me know what is solution

i have updated my JDK to java 8 update 20 but doesnt work

 

o and it stops on compiler will proviede image

[bigpodgurc 0]

[diesieben07 6687]

It tells you exactly what the error is.

[bigpodgurc 0]

it told me that i dont have java home variable witch was set correctly so dont say its soo revealing

[diesieben07 6687]

The error tells you that it's not set correctly. What do you have it set to?