安裝CDH5 hadoop2.3.0 NodeManager 沒有啓動

 今天在安裝hadoop後,啓動start-yarn.sh後,nodemanager起不起來,後來查看DN節點的日誌,報瞭如下一個錯誤:java

FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager  
java.lang.IllegalArgumentException: The ServiceName: mapreduce.shuffle set in yarn.nodemanager.aux-services is invalid.The valid service name should only  
 contain a-zA-Z0-9_ and can not start with numbers



解決辦法:
修改yarn-site.xml文件:node

<property>  
        <name>yarn.nodemanager.aux-services</name>  
      <value>mapreduce_shuffle</value> </property>



是因爲yarn.nodemanager.aux-services配置錯誤致使。web

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