Revert back to 2.0.2-alpha : 0.23.7 has protocol changes which break against cloudera

pom.xml

@@ -565,8 +565,8 @@
       <properties>
         <hadoop.major.version>2</hadoop.major.version>
         <!-- 0.23.* is same as 2.0.* - except hardened to run production jobs -->
-        <yarn.version>0.23.7</yarn.version>
-        <!-- <yarn.version>2.0.2-alpha</yarn.version> -->
+        <!-- <yarn.version>0.23.7</yarn.version> -->
+        <yarn.version>2.0.2-alpha</yarn.version> 
       </properties>
 
       <repositories>

project/SparkBuild.scala

@@ -20,7 +20,8 @@ object SparkBuild extends Build {
   //val HADOOP_YARN = false
 
   // For Hadoop 2 YARN support
-  val HADOOP_VERSION = "0.23.7"
+  // val HADOOP_VERSION = "0.23.7"
+  val HADOOP_VERSION = "2.0.2-alpha"
   val HADOOP_MAJOR_VERSION = "2"
   val HADOOP_YARN = true