(1)cloudera manager的web界面无法访问了(7180端口的那个),通过service cloudera-scm-server status查看发现:
Checking for service cloudera-scm-server: * cloudera-scm-server is dead and pid file exists
解决办法:删除其pid
$rm -rf /var/run/cloudera-scm-server.pid
参考自:http://blog.youkuaiyun.com/bhq2010/article/details/20767023
(2)
删除了原来Mysql数据库中的scm数据库,再重新启动ccloudera-scm-server就OK了