Spring Boot 3 & Spring Framework 6

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Spring Boot 3 & Spring Framework 6 Oliver Drotbohm odrotbohm@vmware.com / odrotbohm

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Spring Framework Project Reactor Micrometer Spring Boot Spring Security Spring Data … Spring Integration

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May '22 Nov '22

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Spring Boot • Improvements to actuator endpoints OS and Java vendor information • Spring GraphQL starter Starter for server and client support • Infrastructure upgrades H2 2.1 • Auto-configuration infrastructure Dedicated config file, @AutoConfiguration • @JsonMixin

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Spring Boot • JakartaEE 9 Required temporarily removing support Some third party libraries not ready yet

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javax.* -" jakarta.*

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Use Spring Boot Migrator!

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Spring Boot • JakartaEE 9 Required temporarily removing support Some third party libraries not ready yet • Declarative HTTP Client Interface-based, similar to Spring Cloud Feign

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public interface DeclarativeWebClient { @GetExchange("/spring-projects/{slug}") ProjectSummary findProject(@PathVariable String slug); }

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Spring Boot • JakartaEE 9 Required temporarily removing support Some third party libraries not ready yet • Declarative HTTP Client Interface-based, similar to Spring Cloud Feign • Support for RFC 7807 – Problem Details for HTTP APIs Supersedes support previously available in Spring HATEOAS

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HTTP/1.1 403 Forbidden Content-Type: application/problem+json Content-Language: en { "type": "https://example.com/probs/out-of-credit", "title": "You do not have enough credit.", "detail": "Your current balance is 30, but that costs 50.", "instance": "/account/12345/msgs/abc", "balance": 30, "accounts": ["/account/12345", "/account/67890"] }

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Spring Boot • Improved observability support Portfolio projects instrumented with Micrometer • Native native story Spring Native folded into the portfolio projects

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Spring Native

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JVM AOT Native Image Runtime Build time Build time + GraalVM Native Images

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JVM AOT Native Image Spring Native Spring Boot

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JVM AOT Native Image Spring Native Spring Boot Spring Framework, Boot, ecosystem projects…

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https://github.com/odrotbohm/spring-restbucks DEMO

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Summary

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Spring Boot Spring Framework ETA May Nov Support (commerial) Nov Feb Nov Feb Java / / JavaEE / JakartaEE / Jakarta Namespace javax.… jakarta.… Native support Spring Native built in

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Questions? ! Oliver Drotbohm odrotbohm@vmware.com / odrotbohm