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Posted to users@servicemix.apache.org by apinke <ap...@gmail.com> on 2007/03/01 13:35:55 UTC

ServiceMix still working when no ActiveMQ broker defined...how?

Hi all,

I am using SM version 3.0 snapshot and deployed as a WAR in tomcat5.0.
To test how I can configure SM to use an external broker , I first removed
the activemq.xml and then removed all refernces to the  broker in the
applicationContext.xml. What I expected was that SM should not start as it
requires ActiveMQ and no brokers have been defined.

But to my surprise it started up fine and even processed all the requests
!...Can anyone explain how its actually working. I enabled logging for
org.apache.activemq to DEBUG but I dont see any output related to ActiveMQ.

I am very curious to know how its working !
I was expected to see errors as no activemq broker has been defined and then
I was going to add an "broker" reference to an external broker.

Heres my applicationContext.xml :

<?xml version="1.0" encoding="UTF-8"?>
<beans  xmlns="http://xbean.org/schemas/spring/1.0"
	xmlns:sm="http://servicemix.apache.org/config/1.0"
	xmlns:amq="http://activemq.org/config/1.0">



  <!-- the JBI container -->
  <sm:container id="jbi"
      monitorInstallationDirectory="false" 
      monitorDeploymentDirectory="false" 
      >

    <sm:activationSpecs>

 		<sm:activationSpec componentName="httpBinding" 	
    						   service="test:httpBinding"
    						   destinationService="test:test-service">
    		  <sm:component>
			<bean class="org.apache.servicemix.components.http.HttpInOutBinding">
			 <property name="defaultInOut" value="true"/>
			 <property name="marshaler">
			      <bean class="com.its.test.esb.core.MyHttpMarshaler"/>
			  </property>
			</bean>
		   </sm:component>
    		</sm:activationSpec>
    		
  	          <sm:activationSpec componentName="test-service"  
    				   service="test:test-service">
    		  <sm:component>
    		    <bean class="com.its.test.esb.core.TestEchoComponent">
    		      
    		    </bean>
    		  </sm:component>
    		</sm:activationSpec>
    </sm:activationSpecs>    		
 </sm:container>
 	
</beans>

thanks
Pat



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Re: ServiceMix still working when no ActiveMQ broker defined...how?

Posted by apinke <ap...@gmail.com>.

I just went through
http://incubator.apache.org/servicemix/how-stuff-works.html#HowStuffWorks-sedaflow
,

and it seems that SEDA flow , which is the default , does not use queues but
a ConcurrentHashMap. 
Is this correct ? Does it mean that for a default installation which used
the SEDA flow , there is no need for ActiveMQ ?

ActiveMQ would be required only when using a JMSFlow or JCAFlow ..
Is this understanding correct ?

thanks
Pat


apinke wrote:
> 
> Hi all,
> 
> I am using SM version 3.0 snapshot and deployed as a WAR in tomcat5.0.
> To test how I can configure SM to use an external broker , I first removed
> the activemq.xml and then removed all refernces to the  broker in the
> applicationContext.xml. What I expected was that SM should not start as it
> requires ActiveMQ and no brokers have been defined.
> 
> But to my surprise it started up fine and even processed all the requests
> !...Can anyone explain how its actually working. I enabled logging for
> org.apache.activemq to DEBUG but I dont see any output related to
> ActiveMQ.
> 
> I am very curious to know how its working !
> I was expected to see errors as no activemq broker has been defined and
> then I was going to add an "broker" reference to an external broker.
> 
> Heres my applicationContext.xml :
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <beans  xmlns="http://xbean.org/schemas/spring/1.0"
> 	xmlns:sm="http://servicemix.apache.org/config/1.0"
> 	xmlns:amq="http://activemq.org/config/1.0">
> 
> 
> 
>   <!-- the JBI container -->
>   <sm:container id="jbi"
>       monitorInstallationDirectory="false" 
>       monitorDeploymentDirectory="false" 
>       >
> 
>     <sm:activationSpecs>
> 
>  		<sm:activationSpec componentName="httpBinding" 	
>     						   service="test:httpBinding"
>     						   destinationService="test:test-service">
>     		  <sm:component>
> 			<bean class="org.apache.servicemix.components.http.HttpInOutBinding">
> 			 <property name="defaultInOut" value="true"/>
> 			 <property name="marshaler">
> 			      <bean class="com.its.test.esb.core.MyHttpMarshaler"/>
> 			  </property>
> 			</bean>
> 		   </sm:component>
>     		</sm:activationSpec>
>     		
>   	          <sm:activationSpec componentName="test-service"  
>     				   service="test:test-service">
>     		  <sm:component>
>     		    <bean class="com.its.test.esb.core.TestEchoComponent">
>     		      
>     		    </bean>
>     		  </sm:component>
>     		</sm:activationSpec>
>     </sm:activationSpecs>    		
>  </sm:container>
>  	
> </beans>
> 
> thanks
> Pat
> 
> 
> 
> 

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