master.HMaster: Failed to become active master

Hbase集群启动后自动退出,日志错误:

fatal error: master.HMaster: Failed to become active master
java.io.IOException: Timedout 300000ms waiting for namespace table to be assigned

解决方法:
此前Hbse集群偷了个懒,把Habse节点间允许的最大时差调的很大,但是后来还是因为超时导致Hbase启动不了,所以这次先同步了一下集群中各节点的时间,具体参考Linux集群的NTP服务器时间同步

进入zookeeper客户端
zkCli.sh
删除掉/hbase/namespace下的自定义名称空间
delete /hbase/namespace/c:d
重新启动hbase
start-hbase.sh

参考:

Procedure V2: Master fails to come up due to rollback of create namespace table

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转载自www.cnblogs.com/StephenMeng/p/9761454.html