java.lang.NullPointerException - javarepl-428.jar

[sreejithbnaick]

Getting java.lang.NullPointerException for every java code. I am using javarepl-428.jar downloaded from Github.

REPL Log:
Welcome to JavaREPL version 428 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_101)
Type expression to evaluate, :help for more options or press tab to auto-complete.
Connected to local instance at http://localhost:41321

JDK & Java Version:
java version "1.8.0_101"
Java(TM) SE Runtime Environment (build 1.8.0_101-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)

Using full SDK path.