无法启动YARN -启动JobHistoryServer时出错

Question

我在重启YARN服务时遇到问题。它不断失败，出现如下日志所示的错误。在上周之前，YARN一直工作得很好，然后突然开始弹出以下错误消息。

尝试重新启动YARN/JOB历史记录服务器。毫无效果。请帮助解决这个问题。

谢谢,Vinoth

Error starting JobHistoryServer
java.lang.IllegalAccessError: tried to access class    org.apache.hadoop.mapred.JobACLsManager from class org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager
at org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.serviceInit(HistoryFileManager.java:503)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at org.apache.hadoop.mapreduce.v2.hs.JobHistory.serviceInit(JobHistory.java:94)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:107)
at org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer.serviceInit(JobHistoryServer.java:145)
at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
at org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer.launchJobHistoryServer(JobHistoryServer.java:222)
at org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer.main(JobHistoryServer.java:232)

Answer 1

您是否在伪环境中工作?也不清楚您正在使用什么命令来重新启动。你可以试着用下面的命令重新启动:停止hadoop服务Sudo service hadoop-master start

-Senthil