modifyClass failed with a warning

[david (David Taylor)]

Using modifyClass for objects which are initialized early in boot

When using modifyClass in an initializer, you may see this warning in the console: (type) has already been initialized and registered as a singleton. Move the modifyClass call earlier in the boot process (e.g. to a pre-initializer) for changes to take effect. (Prior to April 2023, the error text “(type) was already cached in the container. Changes won’t be applied.”) This commonly happens when overriding methods on services (e.g. topicTrackingState), and on models which are initialized earl…