HMaster启动后自动关闭Failed to become active masterjava.net.ConnectException: Call From hadoop102/192.168.
现象描述:搭建好hbase集群并启动集群后发现,HMaster在启动后几秒内自动关闭,HRegionServer运行正常。报错信息----查看日志2022-03-18 20:50:08,913 FATAL [hadoop102:16000.activeMasterManager] master.HMaster: Failed to become active masterjava.net.Conn
现象描述:
搭建好hbase集群并启动集群后发现,HMaster在启动后几秒内自动关闭,HRegionServer运行正常。
报错信息----查看日志
查看日志的方法:我的是master故障,查看hbase-tm-master-hadoop102.log这个日志
2022-03-18 20:50:08,913 FATAL [hadoop102:16000.activeMasterManager] master.HMaster: Failed to become active master
java.net.ConnectException: Call From hadoop102/192.168.245.102 to hadoop102:9000 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
原因:在连接hadoop1:9000时出错
我们知道8020是hdfs的默认端口,但是我们在配置hadoop集群时在core-site.xml中将hdfs的默认端口改为了9000:
解决办法如下:
查看hadoop的core-site.xml配置文件:
我的配置文件在/opt/module/hadoop-3.1.3/etc/hadoop/core-site.xml
查看hbase的 hbase-site.xml配置文件:
我的配置文件在/opt/module/hbase/conf/hbase-site.xm
之后重启hbase即可
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