0
点赞
收藏
分享

微信扫一扫

解决启动hbase出现ERROR: Can‘t get master address from ZooKeeper; znode data == null

阎小妍 2022-05-09 阅读 60


启动hbase正常,但是用list命令时报错:

ERROR: Can’t get master address from ZooKeeper; znode data == null

Here is some help for this command:

List all user tables in hbase. Optional regular expression parameter could

be used to filter the output. Examples:

hbase> list

hbase> list ‘abc.
hbase> list 'ns:abc.

hbase> list ‘ns:.*’

先查看hbase的日志文件,出现如下错误:

2021-12-08 23:51:35,101 FATAL [hadoop01:16000.activeMasterManager] master.HMaster: Failed to become active master

org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category READ is not supported in state standby

解决:

①说明了与节点的active和standby有关,我的情况是三台高可用hadoop,其中主节点hadoop01是standby,hadoop02是active,但是还是会报错,我主动干预zookeeper选举,把hadoop01设置成active,hadoop02设置成standby,结果就成功了

主动干预zookeeper选举命令:

hdfs haadmin -transitionToStandby --forcemanual nn2
hdfs haadmin -transitionToActive --forcemanual nn1

②高可用hadoop core-site.xml配置的这一块

解决启动hbase出现ERROR: Can‘t get master address from ZooKeeper; znode data == null_xml

和hbase-site.xml不符合,因为当时我是在高可用配置前已经配置好hbase了,后期没有去改,所以得改过来

解决启动hbase出现ERROR: Can‘t get master address from ZooKeeper; znode data == null_hadoop_02

修改之后:

解决启动hbase出现ERROR: Can‘t get master address from ZooKeeper; znode data == null_hbase_03

再把hadoop 集群的配置文件 core-site.xml 和 hdfs-site.xml 这两个配置文件复制到hbase的conf目录下

重新启动hadoop集群和hbase



举报

相关推荐

0 条评论