Description
- After migrating Katalyst to a new server infrastructure, users can access the application and retrieve existing experiments but cannot save or create new experiments.
- Existing (pre‑migration) experiments can be imported or opened without issues.
- The problem appears only for experiments created after the migration.
Solution
- Verify that all backend services and databases used by Katalyst are correctly migrated and reachable from the new application server:
- Spectrus DB / experiment database connection strings.
- File storage locations for experiment data, templates, and attachments.
- Common causes and checks:
- Permissions – the new Katalyst server’s service account may not have write access to the shared storage or database.
- Configuration files – hostnames/paths may still point to old servers or locations.
- DNS changes – ensure DNS updates for Katalyst URLs are complete and consistent.
- Review application logs when a user attempts to create a new experiment:
- Look for errors related to DB inserts, file creation, or transaction failures.
- Once configuration and permissions are corrected:
- Test creation of a new experiment with a standard workflow.
- Confirm that saving, reopening, and subsequent processing all work as expected.
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