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<>Hbase运行hbase shell输入status与list测试会报错error: KeeperErrorCode = NoNode for
/hbase/master
<>经过两天的不挺找错,更改,解决,出现这个错误的原因是hadoop与Hbase版本不兼容所致。
<>别用hadoop3
<>经过几天的奋战,开始用的hadoop3.2.0,hbase-2.2.0,
<>Hmaster启动后几秒后被杀死,当hbase shell后输入命令会
<>报错 hbase error: KeeperErrorCode = NoNode for /hbase/master
<>后来hadoop改成3.1.5 一样的错误 ,hbase-2.1.5还是一样的错误
<>又用hadoop-2.8.5 一样的错误
<>最后改成了hadoop-2.7.7 hbase-2.1.5完美解决!!!!!!!!!!
<>更换hadoop版本只需要,把原来的替换掉,配置文件直接拷贝过来,环境变量版本号改掉,
<>然后最重要的一步:进行namenode格式化,但是注意:
hadoop namenode -format
<>
进行着一步前,要把以前格式化的内容删掉,如果,你的路径是在hadoop文件夹内,那么直接格式化即可,如果是在外部创建的文件夹,需要把dfs下的data与name下的所有文件删掉。
<>!!! 这里为了方便看到直接用的图形化界面
<>从节点下的也要删除。要不然启动后,从节点下没有datanode
<>然后进行格式化,
<>切记:不删除从节点下的相关文件,格式化时也会出现successful