Auto-configure transactions when using spring-boot-kafka

wilkinsona · wilkinsona · commit 6df1caf8f902 · 2026-01-19T10:23:12.000Z
spring-kafka has an api dependency on spring-tx, placing the latter on the compile classpath of the former's consumers. Additionally, when spring.kafka.producer.transaction-id-prefix is set, the Kafka auto-configuration will define a Kafka-based transaction manager. However, the transaction manager won't be used without some configuration from the user as there's no dependency on spring-boot-transaction and, therefore, no auto-configuration of @EnableTransactionManagement. This commit adds a spring-boot-transaction dependency to spring-boot-kafka, aligning it with the spring-tx dependency that spring-kafka already has. Fixes gh-48880
diff --git a/module/spring-boot-kafka/build.gradle b/module/spring-boot-kafka/build.gradle
@@ -27,6 +27,7 @@ description = "Spring Boot Kafka"
 
 dependencies {
 	api(project(":core:spring-boot"))
+	api(project(":module:spring-boot-transaction"))
 	api("org.springframework.kafka:spring-kafka")
 
 	optional(project(":core:spring-boot-autoconfigure"))
