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From jaya_srini <jya_sr...@Hotmail.com>
Subject Re: Need Help with blocking Producer!
Date Fri, 09 May 2008 04:41:30 GMT

Just wanted to add that we are using Durable Topic Subscribers with
Persistent delivery mode. Also the number of messages published is not very
many. A few hundred messages. The producers are also consumers of the
message and a single connection is being used for publish and subscribe.

Any help appreciated!


jaya_srini wrote:
> 
> hi 
> 
> We are using ActiveMQ 5.0 release and observing the following on
> production. After a certain number of messages are sent the Activemq send
> blocks. The thread dump produced the following
> 
> daemon prio=6 tid=0x3793f400 nid=0x1f28 waiting for monitor entry
> [0x38aff000..0x38affc98]
>    java.lang.Thread.State: BLOCKED (on object monitor)
> 	at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1587)
> 	- waiting to lock <0x07c45ea0> (a java.lang.Object)
> 	at
> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:226)
> 	at
> org.apache.activemq.ActiveMQMessageProducerSupport.send(ActiveMQMessageProducerSupport.java:268)
> 	at
> org.apache.activemq.ActiveMQTopicPublisher.publish(ActiveMQTopicPublisher.java:146)
> 
> 
> The connection URI looks like the following
> 
> failover:(tcp://10.11.12.13:61616?wireFormat.maxInactivityDuration=-1)
> 
> I am not sure if jms.useAsyncSend=true or jms.dispatchAsync=true will work
> with a failover transport.  
> 
> Can someone please help me troubleshoot this? Will increasing the memory
> limit on the broker help?
> 
> 

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