It looks like your main issue is with the JDBC URL and user setup, but if you want a more streamlined solution, our platform can deploy any JIRA Data Center version with PostgreSQL, MySQL, Oracle, or MSSQL. It handles all database configuration automatically—including the correct JDBC URL, schema, and user permissions—so JIRA can connect right away without manual tweaks.

👉 You can check it out here:https://artio5.gumroad.com/l/igirrd