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Tue, 02 October 2012 07:07

Eclipse User

Hey guys!

I'm trying to integrate ActiveMQ into my Virgo server. Is there a common way to just drop in the jar (or something like that) without writing any line of code? Just out of the box.

Furthermore, it should be configurable. I've seen the karaf example at the activeMQ page (where it creates a XML file and you just modify it). Is there something similar for the virgo server?

Thanks a lot,
Alex

Re: ActiveMQ Integration [message #933916 is a reply to message #930481]

Fri, 05 October 2012 09:06

Eclipse User

Hi,

I integrated activemq in Virgo, you just have to make a little bundle containing the amq configuration, here's mine (it just embed a META-INF/spring/activemqconf.xml:

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:amq="http://activemq.apache.org/schema/core" 
	xmlns:osgi="http://www.springframework.org/schema/osgi"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:osgi-compendium="http://www.springframework.org/schema/osgi-compendium"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="
	http://www.springframework.org/schema/osgi http://www.springframework.org/schema/osgi/spring-osgi.xsd
	http://www.springframework.org/schema/osgi-compendium http://www.springframework.org/schema/osgi-compendium/spring-osgi-compendium.xsd
	http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd">
<osgi-compendium:cm-properties id="jmsConfigProperties" persistent-id="jms-config"/>
<context:property-placeholder properties-ref="jmsConfigProperties"/>
	<amq:broker brokerName="brokerB1" shutdownOnMasterFailure="true"
		>
		<amq:destinationPolicy>
			<amq:policyMap>
				<amq:policyEntries>
					<amq:policyEntry queue=">" producerFlowControl="true"
						memoryLimit="5mb">
						<amq:deadLetterStrategy>
							<amq:individualDeadLetterStrategy
								queuePrefix="DLQ." useQueueForQueueMessages="true" />
						</amq:deadLetterStrategy>
					</amq:policyEntry>
				</amq:policyEntries>
			</amq:policyMap>
		</amq:destinationPolicy>
		<amq:managementContext>
			<amq:managementContext createConnector="false" />
		</amq:managementContext>
		<amq:persistenceAdapter>
			<amq:kahaDB directory="activeMQ/kahadb"
				enableJournalDiskSyncs="false" indexWriteBatchSize="10000"
				indexCacheSize="1000" />
		</amq:persistenceAdapter>
		<amq:plugins>
			<amq:loggingBrokerPlugin />
		</amq:plugins>
		<amq:systemUsage>
			<amq:systemUsage>
				<amq:memoryUsage>
					<amq:memoryUsage limit="420 mb" />
				</amq:memoryUsage>
				<amq:storeUsage>
					<amq:storeUsage limit="1 gb" />
				</amq:storeUsage>
				<amq:tempUsage>
					<amq:tempUsage limit="250 mb" />
				</amq:tempUsage>
			</amq:systemUsage>
		</amq:systemUsage>
		<amq:transportConnectors>
			<amq:transportConnector name="tcp"
				uri="${transportconnector.uri}" />
		</amq:transportConnectors>
	</amq:broker>
	<!-- JMS ConnectionFactory to use, configuring the embedded broker using 
		XML -->
	<amq:connectionFactory id="jmsFactory" brokerURL="${connectionfactory.uri}" />

	<bean id="cachedConnectionFactory"
               class="org.springframework.jms.connection.CachingConnectionFactory">
               <property name="targetConnectionFactory" ref="jmsFactory" />
               <property name="sessionCacheSize" value="3" />
        </bean>
	<osgi:service ref="cachedConnectionFactory"
		interface="javax.jms.ConnectionFactory"/>
</beans>

With this, you can have a jms-config.properties in your usr repo:

transportconnector.uri=tcp://0.0.0.0:61616
connectionfactory.uri=vm://localhost

Then you should be able to reference the amq connectionfaction via service reference (blueprint, spring-dm...).

Charlie

[Updated on: Fri, 05 October 2012 09:09] by Moderator

Re: ActiveMQ Integration [message #1000022 is a reply to message #933916]

Sun, 13 January 2013 15:05

Eclipse User

Hi Charlie,

I was trying to follow your example with Virgo 3.0.2. I create the bundle like you and add the necesary bundles to my virgo instance and create the properties file called jms-config.properties and save it in:

/opt/virgo-tomcat-server-3.0.3.RELEASE/repository/usr directory

And i obtaind the error:

... Could not resolve placeholder 'transportconnector.uri'

That you see i cant not recover the properties from the file throw spring. I also save the file in the /opt/virgo-tomcat-server-3.0.3.RELEASE/repository/usr/config directory and the error it's the same.

If I add default values to the properties configuration the system run ok, but if not I obtained the previous error:
<osgi-compendium:cm-properties id="jmsConfigProperties" persistent-id="jms-config">
<prop key="transportconnector.uri">tcp://0.0.0.0:61616</prop>
<prop key="connectionfactory.uri">vm://localhost</prop>
</osgi-compendium:cm-properties>

Where I must save the properties file inside Virgo?

Best regards.

[Updated on: Sun, 13 January 2013 15:27] by Moderator

Re: ActiveMQ Integration [message #1000264 is a reply to message #1000022]

Mon, 14 January 2013 06:54

Eclipse User

You need to deploy jms-config.properties preferably by referencing it from a plan that you deploy somehow (pickup, admin console, etc.) or by copying it to pickup.

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