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From Marko Asplund <marko.aspl...@gmail.com>
Subject Artemis v2.2: ActiveMQIllegalStateException with core API
Date Wed, 23 Aug 2017 06:29:40 GMT
Hi,

I'm getting occasional ActiveMQIllegalStateException in Artemis server log.
Artemis has been deployed in a single instance setup and I'm connecting
using the core API. I've a single queue with one producer and 10 consumers.
The messages can be rather large but the volume has been quite low.
Here's a log extract:

13:51:37,340 ERROR [org.apache.activemq.artemis.core.server] AMQ224016:
Caught exception: ActiveMQIllegalStateException[errorType=ILLEGAL_STATE
message=AMQ119027: Could not find reference on consumer ID=0, messageId =
1,535 queue = foo.bar.requests]
        at
org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl.acknowledge(ServerConsumerImpl.java:850)
[artemis-server-2.2.0.jar:2.2.0]
        at
org.apache.activemq.artemis.core.server.impl.ServerSessionImpl.acknowledge(ServerSessionImpl.java:773)
[artemis-server-2.2.0.jar:2.2.0]
        at
org.apache.activemq.artemis.core.protocol.core.ServerSessionPacketHandler.onSessionAcknowledge(ServerSessionPacketHandler.java:629)
[artemis-server-2.2.0.jar:2.2.0]
        at
org.apache.activemq.artemis.core.protocol.core.ServerSessionPacketHandler.onMessagePacket(ServerSessionPacketHandler.java:267)
[artemis-server-2.2.0.jar:2.2.0]
        at
org.apache.activemq.artemis.utils.actors.Actor.doTask(Actor.java:33)
[artemis-commons-2.2.0.jar:2.2.0]
...

Any ideas on what could be causing this?


Artemis has been deployed on Ubuntu 16.04 server and running with Oracle
Java 8.

The code is demonstrated in a sample here:
https://gist.github.com/marko-asplund/983300e4bec59f53a13bc0d319a506f6


marko

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