问题:
yarn-site.xml配置:
<?xml version="1.0"?> <configuration> <property> <name>yarn.resourcemanager.address</name> <value>localhost:8032</value> </property> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce.shuffle</value> </property> </configuration>
原因:
yarn.nodemanager.aux-services的值在高版本的Hadoop中只能包含a-zA-Z0-9_,不能以数字开头,改为
<name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value>