我在以下码头图像上运行火花：
https://github.com/sequenceiq/docker-spark
我正在尝试运行spark-bench（https://github.com/SparkTC/spark-bench）我尝试了以下命令：
<SparkBench_Root>/KMean/bin/gen_data.sh
我收到以下错误：
Association with remote system [akka.tcp://sparkMaster@172.17.0.3:7077] has failed, address is now gated for [5000] ms. Reason: [Association failed with [akka.tcp://sparkMaster@172.17.0.3:7077]] Caused by: [Connection refused: /172.17.0.3:7077]
16/03/16 08:00:36 WARN client.AppClient$ClientEndpoint: Failed to connect to master 172.17.0.3:7077
akka.actor.ActorNotFound: Actor not found for: ActorSelection[Anchor(akka.tcp://sparkMaster@172.17.0.3:7077/), Path(/user/Master)]
at akka.actor.ActorSelection$$anonfun$resolveOne$1.apply(ActorSelection.scala
由于 舒亚