错误信息:
解决方法:
先执行hadoop classpath,获取classpath中的内容,并将该内容设置到yarn-siet.xml中yarn.application.classpath的value中
<property>
<name>yarn.application.classpath</name>
<value>/home/hadoop/app/hadoop-3.0.3/etc/hadoop,/home/hadoop/app/hadoop-3.0.3/share/hadoop/common/lib/*,/home/hadoop/app/hadoop-3.0.3/share/hadoop/common/*,/home/hadoop/app/hadoop-3.0.3/share/hadoop/hdfs,/home/hadoop/app/hadoop-3.0.3/share/hadoop/hdfs/lib/*,/home/hadoop/app/hadoop-3.0.3/share/hadoop/hdfs/*,/home/hadoop/app/hadoop-3.0.3/share/hadoop/mapreduce/lib/*,/home/hadoop/app/hadoop-3.0.3/share/hadoop/mapreduce/*,/home/hadoop/app/hadoop-3.0.3/share/hadoop/yarn,/home/hadoop/app/hadoop-3.0.3/share/hadoop/yarn/lib/*,/home/hadoop/app/hadoop-3.0.3/share/hadoop/yarn/*
</value>
</property>