hadoopmaster主机上传文件出错: put: File /a.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1). There are 3 datanode(s) running and 3 node(s) are excluded in this operation.
刚开始装好hadoop的时候,namenode机上传文件没有错误,今天打开时突然不能上传文件,报错
put: File /a.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1).
There are 3 datanode(s) running and 3 node(s) are excluded in this operation.
上网查了一下,先把,nnamenode和datanode的删掉,然后再运行hadoop namenode -format.尝试还是报错,想了一下,我根本就没有更新namenode,所以这个方法是没有用的。后来琢磨了一会,感觉是防火墙的原因,导致无法开通22端口。就关闭防火墙
systemctl stop firewalld.service #停止firewall
systemctl disable firewalld.service #禁止firewall开机启动
再试,成功解决!
hadoopmaster主机上传文件出错: put: File /a.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1). There are 3 datanode(s) running and 3 node(s) are excluded in this operation.的更多相关文章
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