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The pool is invalid and will be ignored.

I am using ords- Oracle db XE 18c.

I used "apxrtins.sql" script to install apex in a runtime environment. After installing it, I started to install ORDS. After finishing the installation process and starting ORDS in a standalone mode I faced the following errors.

"The pool is invalid and will be ignored, The user name or the password for the connection pool is invalid, expired or the account is locked.

I got this message for "apex", "apex|al", "apex|rt" pools. I tried unlocking "apex_public_user" and "ords_public_user" and successfully changed their status to "open". But when tried to unlock apex_listener" and "apex_rest_public_user", it's said that the users do not exist.