[ https://issues.jboss.org/browse/WFLY-6420?page=com.atlassian.jira.plugin.... ] Tomohisa igarashi reopened WFLY-6420: ------------------------------------- It worked fine without delay also for me at first time, but it did reproduced at second time after restarting WildFly instance. (It looks even worse... \{0,1,1,3,3} were received while \{0,1,2,3,4} were sent) [~jmesnil] could you try it again? {code} 02:12:54,411 INFO [ArtemisHornetQClientTest] [ 13]: Starting to send/receive using HornetQ client API - VMName=24404(a)localhost.localdomain 02:12:54,528 INFO [ArtemisHornetQClientTest] [ 131]: * * * Sent a message 'foobar-0' to 'HornetQQueue[DLQ]' 02:12:54,545 INFO [ArtemisHornetQClientTest] [ 148]: * * * Sent a message 'foobar-1' to 'HornetQQueue[DLQ]' 02:12:54,547 INFO [ArtemisHornetQClientTest] [ 150]: * * * Sent a message 'foobar-2' to 'HornetQQueue[DLQ]' 02:12:54,549 INFO [ArtemisHornetQClientTest] [ 152]: * * * Sent a message 'foobar-3' to 'HornetQQueue[DLQ]' 02:12:54,551 INFO [ArtemisHornetQClientTest] [ 154]: * * * Sent a message 'foobar-4' to 'HornetQQueue[DLQ]' 02:13:24,598 INFO [ArtemisHornetQClientTest] [ 30201]: * * * Received a message 'foobar-0' to 'HornetQQueue[DLQ]' 02:13:24,599 INFO [ArtemisHornetQClientTest] [ 30202]: * * * Received a message 'foobar-1' to 'HornetQQueue[DLQ]' 02:13:24,601 INFO [ArtemisHornetQClientTest] [ 30203]: * * * Received a message 'foobar-1' to 'HornetQQueue[DLQ]' 02:13:24,602 INFO [ArtemisHornetQClientTest] [ 30205]: * * * Received a message 'foobar-3' to 'HornetQQueue[DLQ]' 02:13:24,603 INFO [ArtemisHornetQClientTest] [ 30206]: * * * Received a message 'foobar-3' to 'HornetQQueue[DLQ]' 02:13:24,639 INFO [ArtemisHornetQClientTest] [ 30231]: Finished (HornetQ client) 02:13:25,694 INFO [ArtemisHornetQClientTest] [ 0]: Starting to send/receive using Artemis client API 02:13:25,728 INFO [ArtemisHornetQClientTest] [ 34]: * * * Sent a message 'foobar-0' to 'ActiveMQQueue[DLQ]' 02:13:25,730 INFO [ArtemisHornetQClientTest] [ 36]: * * * Sent a message 'foobar-1' to 'ActiveMQQueue[DLQ]' 02:13:25,731 INFO [ArtemisHornetQClientTest] [ 38]: * * * Sent a message 'foobar-2' to 'ActiveMQQueue[DLQ]' 02:13:25,732 INFO [ArtemisHornetQClientTest] [ 39]: * * * Sent a message 'foobar-3' to 'ActiveMQQueue[DLQ]' 02:13:25,735 INFO [ArtemisHornetQClientTest] [ 42]: * * * Sent a message 'foobar-4' to 'ActiveMQQueue[DLQ]' 02:13:25,758 INFO [ArtemisHornetQClientTest] [ 65]: * * * Received a message 'foobar-0' to 'ActiveMQQueue[DLQ]' 02:13:25,759 INFO [ArtemisHornetQClientTest] [ 66]: * * * Received a message 'foobar-1' to 'ActiveMQQueue[DLQ]' 02:13:25,761 INFO [ArtemisHornetQClientTest] [ 68]: * * * Received a message 'foobar-2' to 'ActiveMQQueue[DLQ]' 02:13:25,762 INFO [ArtemisHornetQClientTest] [ 69]: * * * Received a message 'foobar-3' to 'ActiveMQQueue[DLQ]' 02:13:25,763 INFO [ArtemisHornetQClientTest] [ 70]: * * * Received a message 'foobar-4' to 'ActiveMQQueue[DLQ]' 02:13:25,773 INFO [ArtemisHornetQClientTest] [ 80]: Finished (Artemis client) {code} \\ If I added @Ignore on testHornetQClient(), then it reproduced with testArtemisClient() as well. {code} 02:27:17,216 INFO [ArtemisHornetQClientTest] [ 0]: Starting to send/receive using Artemis client API 02:27:17,293 INFO [ArtemisHornetQClientTest] [ 78]: * * * Sent a message 'foobar-0' to 'ActiveMQQueue[DLQ]' 02:27:17,311 INFO [ArtemisHornetQClientTest] [ 97]: * * * Sent a message 'foobar-1' to 'ActiveMQQueue[DLQ]' 02:27:17,315 INFO [ArtemisHornetQClientTest] [ 101]: * * * Sent a message 'foobar-2' to 'ActiveMQQueue[DLQ]' 02:27:17,319 INFO [ArtemisHornetQClientTest] [ 104]: * * * Sent a message 'foobar-3' to 'ActiveMQQueue[DLQ]' 02:27:17,322 INFO [ArtemisHornetQClientTest] [ 108]: * * * Sent a message 'foobar-4' to 'ActiveMQQueue[DLQ]' 02:27:47,351 INFO [ArtemisHornetQClientTest] [ 30137]: * * * Received a message 'foobar-0' to 'ActiveMQQueue[DLQ]' 02:27:47,352 INFO [ArtemisHornetQClientTest] [ 30138]: * * * Received a message 'foobar-1' to 'ActiveMQQueue[DLQ]' 02:27:47,355 INFO [ArtemisHornetQClientTest] [ 30141]: * * * Received a message 'foobar-2' to 'ActiveMQQueue[DLQ]' 02:27:47,356 INFO [ArtemisHornetQClientTest] [ 30142]: * * * Received a message 'foobar-3' to 'ActiveMQQueue[DLQ]' 02:27:47,358 INFO [ArtemisHornetQClientTest] [ 30143]: * * * Received a message 'foobar-4' to 'ActiveMQQueue[DLQ]' 02:27:47,389 INFO [ArtemisHornetQClientTest] [ 30175]: Finished (Artemis client) {code} -- This message was sent by Atlassian JIRA (v6.4.11#64026)