Disconnected Red Hat Satellite installation fails with Candlepin::Database::Postgresql/Cpdb_create[candlepin]/ensure: change from 'absent' to 'present' failed.

Issue

• Red Hat Satellite 6.15 installation on disconnected server fails with following error.

  [ERROR ] [configure] /Stage[main]/Candlepin::Database::Postgresql/Cpdb_create[candlepin]/ensure: change from 'absent' to 'present' failed: Execution of '/usr/share/candlepin/cpdb --create --schema-only --dbhost=localhost --dbport=5432 --database=candlepin --user=candlepin --password=********' returned 1: "********"
  [ERROR ] [configure] Error running command: /usr/share/candlepin/liquibase.sh --driver=org.postgresql.Driver --classpath=/var/lib/tomcat/webapps/candlepin/WEB-INF/lib/postgresql-42.6.0.redhat-00002.jar:/var/lib/tomcat/webapps/candlepin/WEB-INF/classes/ --changelog-file=db/changelog/changelog-update.xml --url="jdbc:postgresql://localhost:5432/candlepin" --username=$DBUSERNAME             --headless=true --password=********$DBPASSWORD --log-level=severe update -Dcommunity="********"
  [ERROR ] [configure] Status code: 1
  

  [DEBUG ] [configure] SEVERE [liquibase.integration] org/candlepin/liquibase/FixDuplicatePoolsLiquibaseWrapper has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
  [DEBUG ] [configure] java.lang.UnsupportedClassVersionError: org/candlepin/liquibase/FixDuplicatePoolsLiquibaseWrapper has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0