kafka启动失败(版本0.8.0 beta1)

I'm trying to start a kafka service with zookeeper version (3.3.6) on standalone mode (on ec2). So I run 1) sbt update 2) sbt package 3)sbt assembly-package-dependency and then start the zookeeper service, and then the kafka server. However, I received the following error message: for kafka server log:I'm trying to start a kafka service with zookee