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From Miklos Szegedi <miklos.szeg...@cloudera.com>
Subject Re: Yarn not picking up the Resource manager configurations
Date Fri, 19 May 2017 18:27:25 GMT
Hi,

I usually get this error when the yarn-site.xml is not on the class path
and it picks up a default 0.0.0.0. I would try:
1. bin/yarn jar
./share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.3.jar pi 1 1000
2. explicitly adding $HADOOP_HOME/etc/hadoop to your client classpath
3. make sure $HADOOP_HOME/etc/hadoop contains your yarn-site.xml and it is
not somewhere else
4. nn1.cluster.com: you actually need to attach to the resource manager
host name not the name node, if they are running on different hosts.

I hope this helps.

Thanks,
Miklos


On Fri, May 19, 2017 at 1:39 AM, Dhanushka Parakrama <
parakrama1282@gmail.com> wrote:

> 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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