bacula-dir: postgresql.c:1126-0 db_init_database first time
bacula-dir: postgresql.c:241-0 pg_real_connect done
bacula-dir: postgresql.c:243-0 db_user=bacula db_name=bacula db_password=bacula
bacula-dir: dird.c:1015-0 Could not open Catalog "MyCatalog", database "bacula".
bacula-dir: dird.c:1020-0 postgresql.c:248 Unable to connect to PostgreSQL server. Database=bacula User=bacula
Possible causes: SQL server not running; password incorrect; max_connections exceeded.
15-Oct 00:21 bacula-dir ERROR TERMINATION
Please correct configuration file: /etc/bacula/bacula-dir.conf

[root@bacula bacula]# psql -U bacula
Password for user bacula:
psql (9.6.5)
Type "help" for help.

bacula=# \l
                                  List of databases
   Name    |  Owner   | Encoding  |   Collate   |    Ctype    |   Access privileges
-----------+----------+-----------+-------------+-------------+-----------------------
 bacula    | bacula   | SQL_ASCII | C           | C           | =Tc/bacula           +
           |          |           |             |             | bacula=CTc/bacula
 postgres  | postgres | UTF8      | en_US.UTF-8 | en_US.UTF-8 |
 template0 | postgres | UTF8      | en_US.UTF-8 | en_US.UTF-8 | =c/postgres          +
           |          |           |             |             | postgres=CTc/postgres
 template1 | postgres | UTF8      | en_US.UTF-8 | en_US.UTF-8 | =c/postgres          +
           |          |           |             |             | postgres=CTc/postgres
(4 rows)

bacula=# \q