title: SparkDeploySchedulerBackend Error: Application has been killed. All masters are unresponsive
body: <p>While I'm starting Spark shell:</p>
  
  <pre><code>bin&gt;./spark-shell
  </code></pre>
  
  <p>I get the following error :</p>
  
  <pre><code>Spark assembly has been built with Hive, including Data nucleus jars on classpath
  Welcome to SPARK VERSION 1.3.0
  Using Scala version 2.10.4 (Java HotSpot(TM) Server VM, Java 1.7.0_75)
  Type in expressions to have them evaluated.
  Type :help for more information.
  15/05/10 12:12:21 ERROR SparkDeploySchedulerBackend: Application has been killed. Reason: All masters are unresponsive! Giving up.
  15/05/10 12:12:21 ERROR TaskSchedulerImpl: Exiting due to error from cluster scheduler: All masters are unresponsive! Giving up.
  </code></pre>
  
  <p>I have installed spark by follow below link :- <a href="http://www.philchen.com/2015/02/16/how-to-install-apache-spark-and-cassandra-stack-on-ubuntu" rel="nofollow">http://www.philchen.com/2015/02/16/how-to-install-apache-spark-and-cassandra-stack-on-ubuntu</a></p>