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https://issues.apache.org/activemq/browse/CAMEL-2305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=56676#action_56676
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Dragisa Krsmanovic commented on CAMEL-2305:
-------------------------------------------
Confirmed that setting prefetch to 0 solves problem.
{code:xml}
<bean id="prefetchPolicy" class="org.apache.activemq.ActiveMQPrefetchPolicy">
<property name="all" value="0"/>
</bean>
<bean id="jmsFactory" class="org.apache.activemq.ActiveMQConnectionFactory">
<property name="brokerURL" value="vm://localhost?broker.persistent=false"/>
<property name="prefetchPolicy" ref="prefetchPolicy"/>
</bean>
{code}
See http://activemq.apache.org/what-is-the-prefetch-limit-for.html
> Polling consumer does not work well with transacted ActiveMQ 5.3.0
> ------------------------------------------------------------------
>
> Key: CAMEL-2305
> URL: https://issues.apache.org/activemq/browse/CAMEL-2305
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-jms
> Affects Versions: 2.0.0, 2.1.0, 2.2.0
> Reporter: Dragisa Krsmanovic
> Attachments: JmsPollingConsumerTest.patch
>
>
> A bean in a activemq route is consuming messages from another activemq queue.
> Instead of reading all queued messages, it always gets just the first
> message in the queue.
> {code:java}
> while ((exchange = consumer.receive("activemq:queue", 2000l)) != null) {
> ...
> }
> {code}
> * This did not happen with ActiveMQ 5.2.0
> * This does not happen if Spring transaction support is not set for activemq
> component.
> * This does not happen if consumer bean is invoked from direct: route.
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