feat: upgrade to Spring Boot 4.0 with Jackson 3 as the default#33
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rossdanderson wants to merge 2 commits into
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feat: upgrade to Spring Boot 4.0 with Jackson 3 as the default#33rossdanderson wants to merge 2 commits into
rossdanderson wants to merge 2 commits into
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- Bump to Spring Boot 4.0.6 / Kotlin 2.2.21; Jackson 3 versions come from the BOM. - util: Jackson 3 becomes the runtime default (api), Jackson 2 is compileOnly; createDataSource defaults to the Jackson 3 handler. - spring starter: JsonHandler bean prefers Jackson 3, falls back to Jackson 2 (spring-boot-jackson2); DataMessageMapping doc references tools.jackson. - spring tests use Logback only (drop slf4j-simple) with a quiet logback-test.xml; add kotest SpringExtension + a context test asserting the Jackson 3 handler. - Docs: README compatibility table + MIGRATION.md (2.x/Boot 3.5 -> 3.x/Boot 4.0). Depends on the ChannelSendOperator removal (PR #30) landing on main first.
# Conflicts: # spring/build.gradle.kts # util/src/main/kotlin/com/caplin/integration/datasourcex/util/SimpleDataSourceFactory.kt
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What
Upgrades the library to Spring Boot 4.0 and makes Jackson 3 (
tools.jackson.*) the default JSON binding, matching Spring Boot 4's own default. The Spring Boot 3.5 / Jackson 2 line continues onspringboot-3.5.x(the2.xrelease line).Changes
DataSourceAutoConfigurationnow prefers a Jackson 3JsonHandler, falling back to Jackson 2 only when Jackson 3 is absent and a Jackson 2ObjectMapperis present. Both handlers are@ConditionalOnMissingBean(JsonHandler), so a consumer-defined handler still wins.SimpleDataSourceFactory.createDataSource(...)defaults to the Jackson 3 handler; Jackson 2 artifacts are nowcompileOnlyindatasourcex-util.MIGRATION.mddocuments the2.x → 3.xupgrade (focused: prerequisites, dependency bump, Jackson 3 default, keeping Jackson 2).Merge
Includes a merge of
main, bringing in the#30ChannelSendOperatorremoval and the#32end-to-end starter tests. The mergedDataSourceEndToEndTestwas ported from its Jackson 2ObjectMapperbean to the Jackson 3 equivalent to match this line's default.Verification
./gradlew checkpasses (tests +apiCheck+spotlessCheck). No public.apichange — the breaking change is the Spring Boot 4 / Jackson 3 runtime baseline, hence the major version bump.