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1、解决办法:在hbase目录下conf文件夹下
hbase-env.sh中修改pid文件的存放路径,看注释,hbase默认注释掉HBASE_PID_DIR,而hbase默认把pid文件放在/tmp目录下,Ubuntu
默认重启自动删除/tmp文件夹中的目录 。删除之后hbase无法找到,在配置中把目录改成不会被删除的目录就行
# The directory where pid files are stored. /tmp by default.
export HBASE_PID_DIR=/var/hadoop/pids
2、如果关闭hbase还不行,还是出现找不到
hbase-root-master ,可以去配置的目录下看看是否有 hbase-shan-master.pid
jps看看是否 HMaster启动 ,如果没启动看看 hbase-site.xml中的hbase.rootdir
的端口号,hostname是否配置正确 ,只有正确的启动HMaster 才会生成pid,
[shan@hadoop102 hbase]$ jps -l
36912 org.apache.hadoop.hbase.master.HMaster