fix: stop writes to closed cluster sessions

2026-10-02 00:28:02 +08:00
parent d43b1b63d3
commit a406d63154
3 changed files with 98 additions and 0 deletions
@@ -1398,6 +1398,11 @@ func (sess *Session) clusterWriteLoop(forTopic string) {
 	terminate := true
 	defer func() {
 		if terminate {
+			// The topic may retain this multiplexing session briefly while its
+			// unsubscribe request is processed. Reject writes to the stale session
+			// instead of filling a send queue which no longer has a drain owner.
+			atomic.StoreInt32(&sess.terminating, 1)
+			sess.purgeChannels()
 			sess.closeRPC()
 			globals.sessionStore.Delete(sess)
 			sess.inflightReqs = nil