Yarn MapReduce作业问题-Hadoop2.3.0中的AM容器启动错误
Yarn MapReduce作业问题-Hadoop2.3.0中的AM容器启动错误
提问于 2014-03-22 23:58:06
我已经设置了Hadoop 2.3.0的2节点集群。它工作得很好，我可以成功地运行distributedshell-2.2.0.jar示例。但是当我尝试运行任何mapreduce作业时，我得到了错误。我已经根据(http://www.alexjf.net/blog/distributed-systems/hadoop-yarn-installation-definitive-guide)设置了用于运行MapReduce作业的MapRed.xml和其他配置，但我收到以下错误：
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.如果查看stderr (作业日志)，则只有一行"Could not find or load main class 614"
现在我已经用谷歌搜索过了，通常当你有不同的JAVA版本或者在yarn-site.xml中没有正确设置类路径时，这个问题就会出现，我的yarn-site.xml就是这样
<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>那么，还有其他的想法吗?这里的问题可能是什么？
我像这样运行我的mapreduce作业：
$HADOOP_PREFIX/bin/hadoop jar $HADOOP_PREFIX/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.2.0.jar randomwriter out回答 11
Stack Overflow用户
发布于 2014-08-02 07:34:06
我在尝试手动安装Hortonworks HDP 2.1时遇到了同样的问题。我设法捕获了容器启动器脚本，其中包含以下内容：
#!/bin/bash
export NM_HTTP_PORT="8042"
export LOCAL_DIRS="/data/1/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001,/data/2/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001,/data/3/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001,/data/4/hadoop/yarn/local/usercache/doug/appcache/application_1406927878786_0001"
export JAVA_HOME="/usr/java/latest"
export NM_AUX_SERVICE_mapreduce_shuffle="AAA0+gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
export CLASSPATH="$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 "设置CLASSPATH的代码行是罪魁祸首。为了解决这个问题，我必须将hadoop-env.sh中的变量HADOOP_COMMON_HOME、HADOOP_HDFS_HOME、HADOOP_YARN_HOME和HADOOP_MAPRED_HOME设置为指向/usr/lib下的相应目录。在每个目录中，我还必须设置jars所在的share/hadoop/...子目录层次结构。
Stack Overflow用户
发布于 2017-05-15 20:10:59
我用以下方法解决了这个问题：
因为在我的hadoop/etc/hadoophadoop-2.7.3配置目录中:About mapred-site.xml：
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
<property>
<name>mapreduce.jobhistory.address</name>
<value>zhangjunj:10020</value>
</property>
<property>
<name>mapreduce.jobhistory.webapp.address</name>
<value>zhangjunj:19888</value>
</property>
</configuration>在此文件中。'zhangjunj‘一定是你主人的机器名，但我一开始就写了'hadoop’。
Stack Overflow用户
发布于 2014-03-23 21:26:34
我修复了这个问题，这是由于错误的路径造成的。通过给mapred，hdfs，yarn & common提供完整的目录路径，解决了这个问题。
谢谢，托尼
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原文链接：
https://stackoverflow.com/questions/22579943
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