hadoop启动报错： java.lang.NoClassDefFoundError:/org/apache/hadoop/yarn/server/timelineCollectorManager

hadoop启动报错“ org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollectorManager”，主要是缺少timelineCollectorManager的jar包，解决方案： 将hadoop3.1.2 版本将share\hadoop\yarn\timelineservice\hadoop-yarn-ser

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