My Spark's Worker cannot connect Master.Something wrong with Akka?

Question

I want to install Spark Standlone mode to a Cluster with my two virtual machines.
With the version of spark-0.9.1-bin-hadoop1, I execute spark-shell successfully in each

Answer 1

set the port for spark worker also, Eg.: SPARK_WORKER_PORT=5078 ... check thespark-installation link for correct installation