1、CDH报错cloudera-scm-server dead but pid file exists

　　cd /var/log/cloudera-scm-server/...db中查看故障原因

　　Re: FATAL: lock file "postmaster.pid" already exists

　　如何解决？

　　service cloudera-scm-server-db stop

　　service cloudera-scm-server-db start

 

　　service clouder-scm-server start.