Add Gradle Kotlin DSL build alongside Maven #268
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Migrate all 77 modules from Spring Boot 2.3-3.1 to Spring Boot 4.0.0 with Spring Cloud Stream 5.0.0 and Spring Cloud 2025.1.0 (Oakwood). Key changes: - Centralize POM hierarchy: all modules inherit from root parent - javax.* -> jakarta.* namespace migration - EmbeddedKafkaRule (JUnit 4) -> @embeddedkafka / EmbeddedKafkaKraftBroker - Kafka Streams 4.0: KStream.branch() -> split().branch() API - TopologyTestDriver: ConsumerRecordFactory -> TestInputTopic/TestOutputTopic - Spring Cloud Stream 5.0: serdeError -> deserializationExceptionHandler - spring.cloud.stream.function.definition -> spring.cloud.function.definition - spring.profiles -> spring.config.activate.on-profile - KafkaTestUtils method signatures: int timeouts -> Duration - Boot 4 modular auto-config package relocations - Kotlin stdlib-jdk8 -> kotlin-stdlib - @SpyBean -> @MockitoSpyBean - Spring Security lambda DSL migration - Remove hardcoded dependency versions in favor of BOM management - Update Confluent, Avro, Testcontainers, and other third-party deps Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> Signed-off-by: adityamparikh <aditya.m.parikh@gmail.com>
Add Gradle build files as a dual-build overlay on top of the Spring Boot 4.0 migration. Both Maven and Gradle builds coexist, allowing gradual adoption. Key changes: - gradle/libs.versions.toml: Version catalog with Boot 4.0.0, Spring Cloud 2025.1.0, Kotlin 2.2.0, and all shared dependencies - Root build.gradle.kts: Shared subproject config with dependency management, Java 17 toolchain, spring-boot-jackson2 bridge for Jackson 2/3 coexistence - settings.gradle.kts: All module includes with Spring/Confluent repos - Gradle 8.14 wrapper (required for Boot 4.0.0 compatibility) - Per-module build.gradle.kts for all 77 subprojects - Avro code generation via com.github.davidmc24.gradle.plugin.avro for 7 modules - Tests disabled for modules requiring external infrastructure (Couchbase, Kinesis/Kinesalite) matching Maven's skipTests configuration - JUnit platform launcher alignment for standalone library modules Signed-off-by: Aditya Parikh <adityamparikh@gmail.com> Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> Signed-off-by: adityamparikh <aditya.m.parikh@gmail.com>
- Replace removed dependencies: junit-vintage-engine, prometheus-rsocket-spring, spring-cloud-stream-schema, spring-cloud-stream-dependencies BOM - Add Avro Gradle plugin to kafka-e2e-kotlin modules for code generation - Use kotlin-stdlib instead of kotlin-stdlib-jdk8 (Kotlin 2.x) - Add spring-boot-jdbc, spring-boot-transaction, spring-boot-kafka test deps to testing-demo for Boot 4 modular auto-configuration - Add junit-platform-launcher to image-thumbnail-processor for JUnit alignment - Skip tests for couchbase modules (matching Maven's skipTests config) - Skip test compilation for kinesis-to-webflux (old AWS SDK 1.x incompatible) Signed-off-by: Aditya Parikh <adityamparikh@gmail.com> Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> Signed-off-by: adityamparikh <aditya.m.parikh@gmail.com>
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Done using https://github.com/adityamparikh/maven-to-gradle