今天在启动时遇到 Name or service not knownstname 这样的错误
- 1 : Name or service not knownstname master 2 : Name or service not knownstname slaver1 3 : Name or service not knownstname slaver2
原因:slaves 文件可能被污染了。
解决方法:删除掉 slaves 文件,重新建立一个 slaves 文件,并配置好就可以了。
- 1[root@master sbin]#. / start - all.sh 2 This script is Deprecated.Instead use start - dfs.sh and start - yarn.sh 3 Starting namenodes on[master] 4 The authenticity of host 'master (10.0.0.110)'can 't be established.
- 5 RSA key fingerprint is 90:b6:9e:d0:3e:76:27:ce:34:3b:d6:b4:41:5d:e7:31.
- 6 Are you sure you want to continue connecting (yes/no)? yes
- 7 master: Warning: Permanently added 'master,
- 10.0.0.110 ' (RSA) to the list of known hosts.
- 8 master: starting namenode, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/hadoop-root-namenode-master.out
- 9 slaver1: starting datanode, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/hadoop-root-datanode-slaver1.out
- 10 slaver2: starting datanode, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/hadoop-root-datanode-slaver2.out
- 11 master: starting datanode, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/hadoop-root-datanode-master.out
- 12 starting yarn daemons
- 13 starting resourcemanager, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/yarn-root-resourcemanager-master.out
- 14 slaver2: starting nodemanager, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/yarn-root-nodemanager-slaver2.out
- 15 slaver1: starting nodemanager, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/yarn-root-nodemanager-slaver1.out
- 16 master: starting nodemanager, logging to /opt/hadoop_resources/hadoop-2.7.0/logs/yarn-root-nodemanager-master.out
- 17 [root@master sbin]# jps
- 18 1926 ResourceManager
- 19 1597 NameNode
- 20 2020 NodeManager
- 21 2054 Jps
- 22 1688 DataNode'
来源: http://www.cnblogs.com/kangvcar/p/6013393.html