Add boot42-preview module: Spring Boot 4.2.0-M2 vs 4.1.1 forwarded headers, AMQP starters, buildpack cache, RestTemplate removal warnings

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Gth99spB1CzQmBFofXmU4Z
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Claude
2026-09-28 08:40:07 +00:00
parent 3e2029ab3a
commit acd63e658b
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# 03-amqp-starters (POM descriptions and contents straight from Maven Central)
spring-boot-starter-amqp 4.1.1 HTTP 200 "Starter for using Spring AMQP and Rabbit MQ" -> spring-boot-amqp
spring-boot-starter-amqp 4.2.0-M2 HTTP 200 "Starter for generic AMQP 1.0 support" -> spring-boot-amqp
spring-boot-starter-rabbitmq 4.1.1 HTTP 404 (does not exist)
spring-boot-starter-rabbitmq 4.2.0-M2 HTTP 200 "Starter for using RabbitMQ messaging and streaming broker" -> spring-boot-rabbitmq
spring-boot-starter-amqp-rabbitmq 4.1.1 HTTP 404 (does not exist)
spring-boot-starter-amqp-rabbitmq 4.2.0-M2 HTTP 200 "Starter for using Spring AMQP with Rabbit MQ over AMQP 1.0 protocol" -> spring-boot-amqp-rabbitmq
# auto-configuration each module registers (AutoConfiguration.imports)
--- spring-boot-amqp 4.1.1
org.springframework.boot.amqp.autoconfigure.RabbitAutoConfiguration
org.springframework.boot.amqp.autoconfigure.health.RabbitHealthContributorAutoConfiguration
org.springframework.boot.amqp.autoconfigure.metrics.RabbitMetricsAutoConfiguration
--- spring-boot-amqp 4.2.0-M2
org.springframework.boot.amqp.autoconfigure.AmqpAutoConfiguration
--- spring-boot-rabbitmq 4.2.0-M2
org.springframework.boot.rabbitmq.autoconfigure.RabbitAutoConfiguration
org.springframework.boot.rabbitmq.autoconfigure.health.RabbitHealthContributorAutoConfiguration
org.springframework.boot.rabbitmq.autoconfigure.metrics.RabbitMetricsAutoConfiguration
--- spring-boot-amqp-rabbitmq 4.2.0-M2
org.springframework.boot.amqp.rabbitmq.autoconfigure.AmqpRabbitAutoConfiguration
org.springframework.boot.amqp.rabbitmq.autoconfigure.health.AmqpRabbitHealthContributorAutoConfiguration