Tag

#patterns

What @TransactionalEventListener actually fires on commit, on rollback, and on neither -- plus a write inside AFTER_COMMIT that survives or vanishes depending on your connection pool. Measured in a playground, not quoted from the Javadoc.

4 Aug 2026 · 7 min read

#spring
#java
#patterns
#transactions
#events

Spring and Java mechanics

publishEvent() is a method call, not a queue

Spring's plain @EventListener runs on your thread, inside your transaction, before your next line — and a chained event is fully handled before the original finishes. Everything here was verified by running it, not by reading the reference page.

3 Aug 2026 · 7 min read

#spring
#java
#patterns
#events

#patterns

Four phases, and the one that never runs at all

publishEvent() is a method call, not a queue