Add core-events module: @EventListener, @TransactionalEventListener phases and async listeners on Boot 4.1

Thirteen captured transcripts: a listener is a blocking method call, ordering and chaining, SpEL conditions, generic-event erasure, every transaction phase on commit and rollback, what an AFTER_COMMIT listener can write, which exceptions reach the publisher, async listeners on platform and virtual threads, and the annotations behind Spring Modulith's @ApplicationModuleListener. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Uu7q8vPeREyT4218EJPzz1
2026-09-24 07:08:47 +00:00
parent c418589251
commit d6b76c57db
72 changed files with 1658 additions and 0 deletions
@@ -0,0 +1,18 @@
+# Listener order, an event returned from a listener, and a listener that throws
+
+
+--- all listeners succeed ---
+earliest     (@Order(-10), a different bean)
+receipt      (@Order(0)) returns a ReceiptIssued
+onReceipt    received ReceiptIssued[orderId=A-1]
+first        (@Order(1))
+second       (@Order(2))
+unordered    (no @Order)
+
+--- the @Order(2) listener throws ---
+earliest     (@Order(-10), a different bean)
+receipt      (@Order(0)) returns a ReceiptIssued
+onReceipt    received ReceiptIssued[orderId=A-2]
+first        (@Order(1))
+second       (@Order(2))
+publishEvent threw: IllegalStateException: second listener failed