hadoop2.7.1java.lang.IllegalArgumentException: The ServiceName: mapreduce.shuffle set in yarn.nodema
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hadoop启动后用jps查看slave1显示有nodemanager
等一下再看 就没有改进程
查看日志显示如下:
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 at com.google.common.base.Preconditions.checkArgument(Preconditions.java:88) at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.serviceInit(AuxServices.java:114) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163) at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107) at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.serviceInit(ContainerManagerImpl.java:237) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163) at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:255) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:480) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:527)
查了很多资料,结果是配置文件yarn.site.xml参数配置的问题
正确如下:
<property><name>yarn.nodemanager.aux-services.mapreduce_shuffle.class</name><value>mapreduce_shuffle</value> <description>shuffle service that needs to be set for Map Reduce to run </description> </property>
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