Merge -c 1187496 from trunk to branch-0.23 to complete fix for MAPREDUCE-3070.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1187497 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -1664,6 +1664,9 @@ Release 0.23.0 - Unreleased
 
     MAPREDUCE-3226. Fix shutdown of fetcher threads. (vinodkv via acmurthy) 
 
+    MAPREDUCE-3070. Fix NodeManager to use ephemeral ports by default.
+    (Devaraj K via acmurthy) 
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -218,7 +218,7 @@ public class YarnConfiguration extends Configuration {
   
   /** address of node manager IPC.*/
   public static final String NM_ADDRESS = NM_PREFIX + "address";
-  public static final String DEFAULT_NM_ADDRESS = "0.0.0.0:45454";
+  public static final String DEFAULT_NM_ADDRESS = "0.0.0.0:0";
   
   /** who will execute(launch) the containers.*/
   public static final String NM_CONTAINER_EXECUTOR = 

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/resources/yarn-default.xml

@@ -191,7 +191,7 @@
   <property>
     <description>address of node manager IPC.</description>
     <name>yarn.nodemanager.address</name>
-    <value>0.0.0.0:45454</value>
+    <value>0.0.0.0:0</value>
   </property>
 
   <property>