[jira] Resolved: (AMQ-2872) Contention between concurrent connection start and new session creation - start can find partially created session

["Gary Tully (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/AMQ-2872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Tully resolved AMQ-2872.
-----------------------------

    Resolution: Fixed

fix in r987113

> Contention between concurrent connection start and new session creation - start can find partially created session
> ------------------------------------------------------------------------------------------------------------------
>
>                 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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