Contention between concurrent connection start and new session creation - start
can find partially created session
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Key: AMQ-2872
URL: https://issues.apache.org/activemq/browse/AMQ-2872
Project: ActiveMQ
Issue Type: Bug
Components: JMS client
Affects Versions: 5.4.0
Reporter: Gary Tully
Assignee: Gary Tully
Fix For: 5.4.1
{code}Exception in thread "Thread-20" java.lang.NullPointerException
at org.apache.activemq.ActiveMQSession.start(ActiveMQSession.java:1637)
at
org.apache.activemq.ActiveMQConnection.start(ActiveMQConnection.java:508)
at
org.springframework.jms.connection.SingleConnectionFactory$SharedConnectionInvocationHandler.invoke(SingleConnectionFactory.java:514)
at $Proxy5.start(Unknown Source)
at
org.springframework.jms.core.JmsTemplate.execute(JmsTemplate.java:464)
at
org.springframework.jms.core.JmsTemplate.receiveSelected(JmsTemplate.java:708)
at
org.springframework.jms.core.JmsTemplate.receive(JmsTemplate.java:686)
at
com.iona.cpi.failure.http.HttpLoadTest$Receiver.run(HttpLoadTest.java:90)
at java.lang.Thread.run(Thread.java:613){code}
Issue is async connection start and session creation. The partially created
session is added to the connection too soon.
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