Keith Wall created QPID-7593:
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Summary: Abnormally ending an AMQP1.0 connection with consumer
leaks the connection, session and objects related to the consumer
Key: QPID-7593
URL: https://issues.apache.org/jira/browse/QPID-7593
Project: Qpid
Issue Type: Bug
Components: Java Broker
Reporter: Keith Wall
Fix For: qpid-java-7.0.0
If I run the following code, jvisualvm shows that the object that underlies the
AMQP1.0 Connection, Session and Consumer are leaked.
The GC root is the QueueConsumerNodeList associated with the
Queue/QueueConsumerManager. The node the tail and is in the deleted state and
will be eventually scavenged (once new consumers join the queue). This is
common with the other protocols and I believe this aspect is as designed.
However, I think the fact that the Connections/Session/ConsumerTarget remains
referenced is a defect. It shows us that the ConsumerTarget_1.0
(org/apache/qpid/server/consumer/AbstractConsumerTarget.java:284) is not being
closed. Other protocols don't show this same defect.
{code:java}
Properties properties = new Properties();
properties.load(resourceAsStream);
Context context = new InitialContext(properties);
ConnectionFactory connectionFactory = (ConnectionFactory)
context.lookup("qpidConnectionfactory");
Connection connection = connectionFactory.createConnection();
connection.start();
Session session = connection.createSession(false,
Session.AUTO_ACKNOWLEDGE);
Destination destination = (Destination) context.lookup("myqueue");
MessageConsumer messageConsumer =
session.createConsumer(destination);
if (true) System.exit(1);
{code}
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