https://community.cloudera.com/t5/Support-Questions/ERROR-main-com-cloudera-server-cmf-Main-Server-failed/m-p/294509#M217293 <P>That was the solution for me.</P><P>I just forgot to run this "connecting" command after system restart</P><P>&nbsp;</P><P>&nbsp;sudo /opt/cloudera/cm/schema/scm_prepare_database.sh postgresql scm scm</P><P>&nbsp;</P><P>...Dummy in Linux and Cloudera</P> Wed, 22 Apr 2020 10:43:29 GMT tivgen 2020-04-22T10:43:29Z