Yarn MapReduce Job Issue - AM Container launch error in Hadoop 2.3.0

java hadoop mapreduce yarn
TonyMull picture TonyMull · Mar 22, 2014 · Viewed 45.2k times · Source

I have setup a 2 node cluster of Hadoop 2.3.0. Its working fine and I can successfully run distributedshell-2.2.0.jar example. But when I try to run any mapreduce job I get error. I have setup MapRed.xml and other configs for running MapReduce job according to (http://www.alexjf.net/blog/distributed-systems/hadoop-yarn-installation-definitive-guide) but I am getting following error :

14/03/22 20:31:17 INFO mapreduce.Job: Job job_1395502230567_0001 failed with state FAILED due to: Application application_1395502230567_0001 failed 2 times due to AM Container for appattempt_1395502230567_0001_000002 exited 
with  exitCode: 1 due to: Exception from container-launch: org.apache.hadoop.util.Shell$ExitCodeException: 
    org.apache.hadoop.util.Shell$ExitCodeException: 
        at org.apache.hadoop.util.Shell.runCommand(Shell.java:505)
        at org.apache.hadoop.util.Shell.run(Shell.java:418)
        at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:650)
        at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:195)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:283)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:79)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)


    Container exited with a non-zero exit code 1
    .Failing this attempt.. Failing the application.
    14/03/22 20:31:17 INFO mapreduce.Job: Counters: 0
    Job ended: Sat Mar 22 20:31:17 PKT 2014
    The job took 6 seconds.

And if look at stderr (log of job) there is only one line "Could not find or load main class 614"

Now I have googled it and usually this issues comes when you have different JAVA versions or in yarn-site.xml classpath is not properly set , my yarn-site.xml has this

  <property>
    <name>yarn.application.classpath</name>
    <value>/opt/yarn/hadoop-2.3.0/etc/hadoop,/opt/yarn/hadoop-2.3.0/*,/opt/yarn/hadoop-2.3.0/lib/*,/opt/yarn/hadoop-2.3.0/*,/opt/yarn/hadoop-2.3.0/lib/*,/opt/yarn/hadoop-2.3.0/*,/opt/yarn/hadoop-2.3.0/lib/*,/opt/yarn/hadoop-2.3.0/*,/opt/yarn/hadoop-2.3.0/lib/*</value>
  </property>

So any other ideas what could be the issue here ?

I am running my mapreduce job like this:

$HADOOP_PREFIX/bin/hadoop jar $HADOOP_PREFIX/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.2.0.jar randomwriter out

Answer

Doug Judd picture Doug Judd · Aug 2, 2014

I encountered the same problem when trying to install Hortonworks HDP 2.1 manually. I managed to capture the container launcher script which contained the following:

#!/bin/bash

export NM_HTTP_PORT="8042"
export LOCAL_DIRS="/data/1/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001,/data/2/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001,/data/3/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001,/data/4/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001"
export JAVA_HOME="/usr/java/latest"
export NM_AUX_SERVICE_mapreduce_shuffle="AAA0+gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
export CLASSPATH="$PWD:$HADOOP_CONF_DIR:$HADOOP_COMMON_HOME/share/hadoop/common/*:$HADOOP_COMMON_HOME/share/hadoop/common/lib/*:$HADOOP_HDFS_HOME/share/hadoop/hdfs/*:$HADOOP_HDFS_HOME/share/hadoop/hdfs/lib/*:$HADOOP_YARN_HOME/share/hadoop/yarn/*:$HADOOP_YARN_HOME/share/hadoop/yarn/lib/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/*:$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/*:job.jar/job.jar:job.jar/classes/:job.jar/lib/*:$PWD/*"
export HADOOP_TOKEN_FILE_LOCATION="/data/2/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001/container_1406927878786_0001_01_000001/container_tokens"
export NM_HOST="test02.admin.hypertable.com"
export APPLICATION_WEB_PROXY_BASE="/proxy/application_1406927878786_0001"
export JVM_PID="$$"
export USER="doug"
export HADOOP_HDFS_HOME="/usr/lib/hadoop-hdfs"
export PWD="/data/2/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001/container_1406927878786_0001_01_000001"
export CONTAINER_ID="container_1406927878786_0001_01_000001"
export HOME="/home/"
export NM_PORT="62404"
export LOGNAME="doug"
export APP_SUBMIT_TIME_ENV="1406928095871"
export MAX_APP_ATTEMPTS="2"
export HADOOP_CONF_DIR="/etc/hadoop/conf"
export MALLOC_ARENA_MAX="4"
export LOG_DIRS="/data/1/hadoop/yarn/logs/application_1406927878786_0001/container_1406927878786_0001_01_000001,/data/2/hadoop/yarn/logs/application_1406927878786_0001/container_1406927878786_0001_01_000001,/data/3/hadoop/yarn/logs/application_1406927878786_0001/container_1406927878786_0001_01_000001,/data/4/hadoop/yarn/logs/application_1406927878786_0001/container_1406927878786_0001_01_000001"
ln -sf "/data/1/hadoop/yarn/local/usercache/doug/filecache/10/libthrift-0.9.2.jar" "libthrift-0.9.2.jar"
ln -sf "/data/4/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001/filecache/13/job.xml" "job.xml"
mkdir -p jobSubmitDir
ln -sf "/data/3/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001/filecache/12/job.split" "jobSubmitDir/job.split"
mkdir -p jobSubmitDir
ln -sf "/data/2/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001/filecache/11/job.splitmetainfo" "jobSubmitDir/job.splitmetainfo"
ln -sf "/data/1/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001/filecache/10/job.jar" "job.jar"
ln -sf "/data/2/hadoop/yarn/local/usercache/doug/filecache/11/hypertable-0.9.8.0-apache2.jar" "hypertable-0.9.8.0-apache2.jar"
exec /bin/bash -c "$JAVA_HOME/bin/java -Dlog4j.configuration=container-log4j.properties -Dyarn.app.container.log.dir=/data/4/hadoop/yarn/logs/application_1406927878786_0001/container_1406927878786_0001_01_000001 -Dyarn.app.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA  -Xmx1024m org.apache.hadoop.mapreduce.v2.app.MRAppMaster 1>/data/4/hadoop/yarn/logs/application_1406927878786_0001/container_1406927878786_0001_01_000001/stdout 2>/data/4/hadoop/yarn/logs/application_1406927878786_0001/container_1406927878786_0001_01_000001/stderr "

The line that sets CLASSPATH was the culprit. To resolve the problem I had to set the variables HADOOP_COMMON_HOME, HADOOP_HDFS_HOME, HADOOP_YARN_HOME, and HADOOP_MAPRED_HOME in hadoop-env.sh to point to the appropriate directories under /usr/lib. In each of those directories I also had to setup the share/hadoop/... subdirectory hierarchy where the jars could be found.

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