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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (AMQ-5297) PooledSession with lots of consumers can fail to start fully
Date Wed, 30 Jul 2014 20:18:42 GMT

     [ https://issues.apache.org/jira/browse/AMQ-5297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish closed AMQ-5297.
-----------------------------

    Resolution: Invalid

Questions should be directed to the users mailing list.  

> PooledSession with lots of consumers can fail to start fully
> ------------------------------------------------------------
>
>                 Key: AMQ-5297
>                 URL: https://issues.apache.org/jira/browse/AMQ-5297
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: activemq-pool, JMS client
>    Affects Versions: 5.8.0
>         Environment: java version "1.7.0_51"
> Java(TM) SE Runtime Environment (build 1.7.0_51-b13)
> Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)
>            Reporter: Sam hendley
>
> We have a case where we are trying to startup 100s of camel routes and it appears to
be causing an issue where the consumer is only partially started and the thread is stuck waiting
for for the consumer to be fully created. The consumer appears to be created on the broker
side so that it is getting messages enqueued and dispatched, just never serviced.
> Could this be due to our connection pool being too small? Could we avoid this problem
with asyncSend?
> {quote}
> "Camel (AppsJVM) thread #28 - JmsConsumer[response.queue]" - Thread t@318
>    java.lang.Thread.State: WAITING
> 	at sun.misc.Unsafe.park(Native Method)
> 	- parking to wait for <ee029ee> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> 	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043)
> 	at java.util.concurrent.ArrayBlockingQueue.take(ArrayBlockingQueue.java:374)
> 	at org.apache.activemq.transport.FutureResponse.getResult(FutureResponse.java:40)
> 	at org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorrelator.java:87)
> 	at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1380)
> 	at org.apache.activemq.ActiveMQSession.syncSendPacket(ActiveMQSession.java:1912)
> 	at org.apache.activemq.ActiveMQMessageConsumer.<init>(ActiveMQMessageConsumer.java:273)
> 	at org.apache.activemq.ActiveMQSession.createConsumer(ActiveMQSession.java:1144)
> 	at org.apache.activemq.ActiveMQSession.createConsumer(ActiveMQSession.java:1088)
> 	at org.apache.activemq.ActiveMQSession.createConsumer(ActiveMQSession.java:1001)
> 	at org.apache.activemq.pool.PooledSession.createConsumer(PooledSession.java:311)
> 	at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.createConsumer(AbstractPollingMessageListenerContainer.java:503)
> 	at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.createListenerConsumer(AbstractPollingMessageListenerContainer.java:224)
> 	at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.initResourcesIfNecessary(DefaultMessageListenerContainer.java:1094)
> 	at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1070)
> 	at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1063)
> 	at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:960)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:744)
>    Locked ownable synchronizers:
> 	- locked <4deb7015> (a java.util.concurrent.ThreadPoolExecutor$Worker)
> {quote}
> {quote}
> <bean id="JMSPooledConnectionFactory" class="org.apache.activemq.pool.PooledConnectionFactory">
>         <property name="maxConnections" value="8" />
>         <property name="maximumActiveSessionPerConnection" value="500" />
>         <property name="idleTimeout" value="0" />
>         <property name="connectionFactory" ref="JMSConnectionFactory" />
>     </bean>
> {quote}



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