JMS Consumer count increase and no msg are consume

[JuliusDev]

Hi,

Can you help to understand why my consumers stop after few msg !?
I develop a webapp with an embed jms broker and a download queue (activemq +
spring2.5 ). After few msg the number of consumers increase to reach the
maximun number 10 and consumer stop. I can send msg in queue : the queue
size increase but they are not consume and no exception is threw :-(

Here my application context config :

        <!--  lets create an embedded ActiveMQ Broker -->
        <amq:broker useJmx="true" persistent="true">
                <amq:persistenceAdapter>
                        <amq:amqPersistenceAdapter 
directory="/tmp/activemq-data" />
                </amq:persistenceAdapter>

                <amq:transportConnectors>
                        <amq:transportConnector uri="tcp://localhost:0" />
                </amq:transportConnectors>
        </amq:broker>

        <amq:commandAgent></amq:commandAgent>

        <!--  ActiveMQ destinations to use  -->
        <!-- Queue of message from  the encoder components  -->
        <amq:queue id="fromEncoderQueue" physicalName="fromEncoderQueue" />

        <!-- Queue fo message to the encoder components  -->
        <amq:queue id="toEncoderQueue" physicalName="toEncoderQueue" />

        <!--
                JMS ConnectionFactory to use, configuring the embedded broker 
using
                XML
        -->
        <amq:connectionFactory id="jmsFactory"
brokerURL="vm://localhost?jms.prefetchPolicy.all=0" />

        <!-- Define the Spring JMS template -->
        <bean id="jmsTemplate" class="org.springframework.jms.core.JmsTemplate">
                <!--  property name="connectionFactory" 
ref="connectionFactory"/ -->
                <property name="connectionFactory">
                        <!-- lets wrap in a pool to avoid creating a connection 
per send -->
                        <bean 
class="org.springframework.jms.connection.SingleConnectionFactory">
                                <property name="targetConnectionFactory">
                                        <ref local="jmsFactory" />
                                </property>
                        </bean>
                </property>
        </bean>

        <!--
    A producer to send msg to the queue.encoder.responses
    -->
        <bean id="msgFromEncoderProducer" class="com.cellfish.jms.JMSProducer">
                <property name="template" ref="jmsTemplate" />
                <property name="destination" ref="fromEncoderQueue" />
        </bean>

        <!--
    A producer to send msg to the queue.encoder.requests
    -->
        <bean id="msgToEncoderProducer" name=""
                class="com.cellfish.jms.JMSProducer">
                <property name="template" ref="jmsTemplate" />
                <property name="destination" ref="toEncoderQueue" />
        </bean>


        <!-- this is the Message Driven POJO (MDP) -->
        <bean id="msgFromEncoderListener"
class="com.cellfish.jms.MsgFromEncoderListener" />

        <!-- this is the Message Driven POJO (MDP) -->
        <bean id="msgToEncoderListener"
class="com.cellfish.jms.MsgToEncoderListener" />


        <jms:listener-container connection-factory="jmsFactory" 
concurrency="10">
                <jms:listener destination="toEncoderQueue" 
ref="msgToEncoderListener" />
                <jms:listener destination="fromEncoderQueue" 
ref="msgFromEncoderListener"
/>
        </jms:listener-container>




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