启动yarn后,jps查看不到namenodemanager
来源:1-20 -YARN环境搭建及提交作业到YARN上运行

qq_慕后端93793
2020-01-20
启动yarn后,jps查看不到namenodemanager,而且启动时并没有报错,查看了日志,也没有错误。检查了配置,也没有问题。这是为什么?
输出的日志
2回答
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qq_慕后端93793
提问者
2020-01-20
2020-01-20 22:57:12,491 FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager
java.lang.RuntimeException: java.lang.RuntimeException: java.lang.ClassNotFoundException: Class org.apache.hadoop.mapred.ShuffleHandler not found
at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2381)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.serviceInit(AuxServices.java:121)
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:236)
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:318)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:562)
at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:609)
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: Class org.apache.hadoop.mapred.ShuffleHandler not found
at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2349)
at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2373)
... 10 more
Caused by: java.lang.ClassNotFoundException: Class org.apache.hadoop.mapred.ShuffleHandler not found
at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2255)
at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2347)
... 11 more
00 -
qq_慕后端93793
提问者
2020-01-20
试了网上的方法,添加cpu核心数,添加内存容量,等等,并没有解决问题。
062020-01-21
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