Deployment - App Server:
- tomcat/shared/classes/alfresco/extension/some-context.xml - Define your component Spring beans here (Untouched by re-deployments and upgrades)
- When developing Java components you are better off using a proper SDK project, see next.
Deployment All-in-One SDK project:
- aio/platform-jar/src/main/java/{custom package path} - implementation of module components
- aio/platform-jar/src/main/resources/alfresco/module/platform-jar/context/service-context.xml - Component Spring Bean definitions