Hi All

I have setup the multi node hadoop cluster . but when is run the simple map
reduce job it gives me the following error the in  the data nodes container
log .


Im running the hadoop 2.7.3 version

In namenode which contain resource manager as well . i ran below job

hadoop jar hadoop-mapreduce-examples-2.7.3.jar wordcount /words  /output

Error
====

tryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000
MILLISECONDS)
2017-05-19 07:57:14,340 INFO [main] org.apache.hadoop.ipc.Client: Retrying
connect to server: 0.0.0.0/0.0.0.0:8030. Already tried 8 time(s); retry
policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000
MILLISECONDS)
2017-05-19 07:57:15,341 INFO [main] org.apache.hadoop.ipc.Client: Retrying
connect to server: 0.0.0.0/0.0.0.0:8030. Already tried 9 time(s); retry
policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000
MILLISECONDS)


Configurations
===========

*vi .barshrc file*

export JAVA_HOME=/home/ubuntu/jdk1.8.0_45
export HADOOP_HOME=/usr/local/hadoop/current
#export PATH=$JAVA_HOME/bin:$PATH
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_HDFS_HOME=$HADOOP_HOME
export YARN_HOME=$HADOOP_HOME
export HADOOP_CONF_DIR=$HADOOP_HOME/etc/hadoop
export YARN_CONF_DIR=$HADOOP_HOME/etc/hadoop
export ZOOKEEPER_HOME=/usr/local/zookeeper/current

export
PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$ZOOKEEPER_HOME/bin


*vi .yarn-site.xml file*


<configuration>

<!-- Site specific YARN configuration properties -->

<property>
   <name>yarn.nodemanager.aux-services</name>
   <value>mapreduce_shuffle</value>
 </property>

<property>
   <name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>
   <value>org.apache.hadoop.mapred.ShuffleHandler</value>
</property>

<property>
    <name>yarn.resourcemanager.hostname</name>
    <value>nn1.cluster.com</value>
</property>

 <property>
      <name>yarn.resourcemanager.scheduler.address</name>
      <value>nn1.cluster.com:8030</value>
 </property>


</configuration>



Can any expert help me with this issue , im stuck at this point

Thank You

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