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Date: Tue, 10 Aug 2010 11:56:28 -0300
Message-ID: <AANLkTik4jP5++ZsGdQsgr=XynFH70r9v7Yd=Qo+PqEx-@mail.gmail.com>
Subject: Re: Problem receiving message.
From: pablo caballero <pdcvgmh@gmail.com>
To: users@activemq.apache.org
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Gary, thank you very much for your response.

I changed "localhost" for my specific IP address (also for 0.0.0.0)
and nothing happened.

I changed useJmx to true in the broker configuration to monitor the
queue (via jconsole) and something strange happened:

1.- I execute the sender and the consumer apps
2.- The sender app send a message
3.- I execute jconsole and I see that EnqueueCount and DequeueCount
queue's attributes both have the value 1.
4.- No activity occurs in the receiving application
5.- The sender app send another message (I had never tried to send two
messages!!!!)
6.- The receiving app consume the message!!! (and EnqueueCount =3D=3D
DequeueCount =3D=3D 2)

The six steps above are repeated deterministically.

Sorry for my bad english.

Best regards

On Tue, Aug 10, 2010 at 7:48 AM, Gary Tully <gary.tully@gmail.com> wrote:
> one thought, rather than localhost, do you need activemq to listen on
> all network interfaces using the wildcard address 0.0.0.0 or a
> specific IP address?
>
> On 9 August 2010 20:51, pablo caballero <pdcvgmh@gmail.com> wrote:
>> Background:
>>
>> I'm using spring + camel + activemq in boths sender and receiver.
>>
>> Relevant receiver spring's cfg:
>>
>> <amq:broker useJmx=3D"false" persistent=3D"false">
>> =A0 =A0 =A0 =A0<amq:transportConnectors>
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<amq:transportConnector uri=3D"tcp://loca=
lhost:15000" />
>> =A0 =A0 =A0 =A0</amq:transportConnectors>
>> </amq:broker>
>>
>> <bean id=3D"jmsConnectionFactory"
>> class=3D"org.apache.activemq.ActiveMQConnectionFactory">
>> =A0 =A0 =A0 =A0<property name=3D"brokerURL" value=3D"tcp://localhost:150=
00"/>
>> </bean>
>>
>> <bean id=3D"abstractJmsComponent"
>> class=3D"org.apache.camel.component.jms.JmsComponent" abstract=3D"true">
>> =A0 =A0 =A0 =A0<property name=3D"connectionFactory" ref=3D"jmsConnection=
Factory"/>
>> </bean>
>>
>> <bean id=3D"jmsGP" parent=3D"abstractJmsComponent">
>> =A0 =A0 =A0 =A0<property name=3D"taskExecutor">
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<bean class=3D"org.springframework.schedu=
ling.concurrent.ThreadPoolTaskExecutor">
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0</bean>
>> =A0 =A0 =A0 =A0</property>
>> </bean>
>>
>> <camel:camelContext id=3D"camelContext">
>> =A0 =A0 =A0 =A0<camel:route>
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<camel:from uri=3D"jmsGP:queue:someQueue"=
/>
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<camel:bean ref=3D"someBean" method=3D"so=
meMethod"/>
>> =A0 =A0 =A0 =A0</camel:route>
>> </camel:camelContext>
>>
>> Relevant sender spring's cfg:
>>
>> <bean id=3D"jmsConnectionFactoryGP"
>> class=3D"org.apache.activemq.ActiveMQConnectionFactory">
>> =A0 =A0 =A0 =A0<property name=3D"brokerURL" value=3D"tcp://localhost:150=
00"/>
>> </bean>
>>
>> <bean id=3D"jmsGP" class=3D"org.apache.camel.component.jms.JmsComponent"=
>
>> =A0 =A0 =A0 =A0<property name=3D"connectionFactory" ref=3D"jmsConnection=
FactoryGP"/>
>> =A0 =A0 =A0 =A0<property name=3D"taskExecutor">
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<bean class=3D"org.springframework.schedu=
ling.concurrent.ThreadPoolTaskExecutor">
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0</bean>
>> =A0 =A0 =A0 =A0</property>
>> </bean>
>>
>> I run both apps (sender & receiver) under Tomcat
>>
>> The sender app send the message via a
>> org.apache.camel.ProducerTemplate.sendBody call to the uri
>> jmsGP:queue:someQueue. No exception or error
>>
>> I have a breakpoint in the server app (at the begining of someMethod
>> code) but it is never reached. Nothing happens (no exception, no
>> error)
>>
>> If I run only the receiver app I see (netstat) a LISTENING entry (on
>> port 15000) and two ESTABLISHED entries (two "views" of the same
>> connection: 15000 -> some random port and same random port -> 15000).
>> when I run both apps no additional connection appear.
>>
>> I'm sure that the problem is not a ActiveMQ issue but a "layer 8" one
>> (ergo "me"). Someone can kick me in the right direction?
>>
>> Thank you very much!
>>
>> Best regards
>>
>
>
>
> --
> http://blog.garytully.com
>
> Open Source Integration
> http://fusesource.com
>