Tomas Hofman created ARTEMIS-1186:
-------------------------------------
Summary: Consumer.receive hangs if http acceptor with non-zero
batch-delay is configured
Key: ARTEMIS-1186
URL: https://issues.apache.org/jira/browse/ARTEMIS-1186
Project: ActiveMQ Artemis
Issue Type: Bug
Reporter: Tomas Hofman
Test scenario:
# Call consumer.receive(1000) on empty queue.
# Check whether receive call is unblocked after the 1 second.
Issue: The receive call is not unblocked.
I hit the issue which was initially reported in JBEAP-6443. I found out that
the issue is somehow related to http connectors/acceptors and {{batch-delay}}
parameter. I am able to reproduce it only if a client connects via
http-connector with non-zero batch-delay. When I tried classic
{{remote-connector}}, everything worked with both zero and non-zero
{{batch-delay}}.
I am able to reproduce the issue with both Artemis 1.1 (EAP 7.0.3) and Artemis
1.4.
>From the thread dump, you can see where the client hangs.
{code}
Stack trace of thread: Thread[Thread-10,5,main]
---java.lang.Object.wait(Native Method)
---org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.receive(ClientConsumerImpl.java:258)
---org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.receive(ClientConsumerImpl.java:391)
---org.apache.activemq.artemis.jms.client.ActiveMQMessageConsumer.getMessage(ActiveMQMessageConsumer.java:198)
---org.apache.activemq.artemis.jms.client.ActiveMQMessageConsumer.receive(ActiveMQMessageConsumer.java:122)
---org.jboss.qa.hornetq.apps.clients.Receiver11.receiveMessage(Receiver11.java:140)
---org.jboss.qa.hornetq.apps.clients.ReceiverAutoAck.run(ReceiverAutoAck.java:75)
{code}
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