contact scm server at localhost:7182

描述：

DNS反向解析错误，不能正确解析Cloudera Manager Server主机名
日志：

Detecting Cloudera Manager Server...
Detecting Cloudera Manager Server...
BEGIN host -t PTR 192.168.1.198
198.1.168.192.in-addr.arpa domain name pointer localhost.
END (0)
using localhost as scm server hostname
BEGIN which python
/usr/bin/python
END (0)
BEGIN python -c ‘import socket; import sys; s = socket.socket(socket.AF_INET); s.settimeout(5.0); s.connect((sys.argv[1], int(sys.argv[2]))); s.close();‘ localhost 7182
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "<string>", line 1, in connect
socket.error: [Errno 111] Connection refused
END (1)
could not contact scm server at localhost:7182, giving up
waiting for rollback request

解决方案：

将连不上的机器 /usr/bin/host 文件删掉,执行下面命令：

1. sudo mv /usr/bin/host /usr/bin/host.bak

复制代码

cdh 安装