报错提示:
mapreduce.shuffle set in yarn.nodemanager.aux-services is invalid
请在yarn-site.xml中添加
<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>
重启相应服务即可解决