Spring Boot 2.6 Migration

[pway99]

Migration recipe for Spring-Boot-2.6

This task is to review and identify tasks required for migrating an app from Spring-Boot 2.5 to 2.6

• [x] #177
• [ ] Deprecations from 2.4 are removed ensure they are all accounted for in the 2.4 and 2.5 conversions
• [ ] PathPattern Based Path Matching Strategy for Spring MVC
• [ ] Actuator Env InfoContributor Disabled by Default
• [ ] Application Startup -> spring.boot.application.running renamed to spring.boot.application.ready
• [x] #178
• [ ] #179
• [x] #184
• [ ] Embedded Mongo
• [ ] Oracle Database Driver Dependency Management
• [ ] Vault-related Flyay Properties Removed
• [ ] WebFlux Session Properties
• [ ] Elasticsearch Property Consolidation
• [ ] #180
• [ ] Maven Build Info’s Default Time
• [ ] Records and @ConfigurationProperties
• [ ] Deferred OpenID Connect Discovery
• [x] #181
• [ ] #182

[timtebeek]

Some further required changes:

• [x] Upgrade Spring Cloud release train from 2020.0.x to 2021.0.x (presently: 2021.0.1) as per release train spring boot compatibility
• [ ] Spring Data Elasticsearch has some breaking changes, especially around SearchHits with aggregations

[pway99]

Thanks @timtebeek added these to the main list :)

[timtebeek]

Closing this issue as we've covered the well-trodden paths for folks already; anything left can be contributed separated as needed.