I require step-by-step help transferring Jira 6.1.1 HSQLDB backup data to a Jira 7.11.0 Oracle 12c environment. Version mismatch errors occur; tools or solutions appreciated.
I encountered similar challenges when upgrading a legacy Jira system. In my experience, a gradual approach worked best. I first migrated the Jira 6.1.1 instance to an intermediate version with reusable database formatting tools before switching your database platform. It was crucial to create a full backup and replicate the migration in a staging environment to catch any version compatibility issues or schema errors. Converting the HSQLDB data to Oracle sometimes required tweaking the data types manually, so having a detailed migration plan and incremental testing proved to be very beneficial.
The migration process from Jira 6.1.1 with HSQLDB to Jira 7.11.0 on Oracle 12c required a detailed preparation phase. I addressed the migration by thoroughly verifying the data integrity in the legacy system before exporting it. Next, I implemented conversion scripts to align HSQLDB schema with Oracle requirements which helped minimize conversion gaps. Testing in an isolated environment was critical, and it allowed for adjusting custom fields and workflows to resolve compatibility issues. Persistent backups and detailed error logs proved essential at every step of the process.