Migrating Petals ESB runtime

No migration is required. Just reinstall your Petals topology with the Petals ESB 5.4.x runtime.

Migrating your services

At a runtime level, a large majority of service units running on Petals 5.3.x are compatible with Petals 5.4.x and do not require changes with the exception of:

• Petals SE Camel service units.

At a development level, all service units need changes at unit test level because:

• API Jakarta EE 9 is now used by Petals ESB instead of API Java EE,
• and, all Petals component JUnit framework are based on JUnit 5 now.

We recommend to migrate all your service units even if no change is required at runtime level.