Hello Camel !
I am currently trying to configure my route, deployed in Fuse 4.3, to poll
messages from a WebSphere MQ Queue.
The issue is more related to OSGI than Camel but maybe someone experienced
the same issue before, so I take my chance to post it here...
The idea is to create a feature that could load the WebSphere 7 thin jms
client bundles and the route which transport messages from WebSphere MQ
queue to an ActiveMQ queue.
The client jars are the following (from the /runtime directory):
* com.ibm.ws.ejb.thinclient_7.0.0.jar
* com.ibm.ws.orb_7.0.0.jar
* com.ibm.ws.sib.client.thin.jms_7.0.0.jar
Here is the JmsComponent configuration:
<bean id="wasmq" class="org.apache.camel.component.jms.JmsComponent">
<property name="configuration" ref="wasJmsConfiguration" />
<property name="destinationResolver"
ref="wasDestinationResolver" />
</bean>
<bean id="wasJmsConfiguration"
class="org.apache.camel.component.jms.JmsConfiguration">
<property name="connectionFactory" ref="wasConnectionFactory" />
<property name="concurrentConsumers" value="1" />
</bean>
<bean id="wasJndiTemplate"
class="org.springframework.jndi.JndiTemplate">
<property name="environment">
<props>
<prop
key="java.naming.factory.initial">com.ibm.websphere.naming.WsnInitialContextFactory</prop>
<prop
key="java.naming.provider.url">${was.jms.broker.url}</prop>
</props>
</property>
</bean>
<bean id="wasConnectionFactory"
class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiTemplate" ref="wasJndiTemplate" />
<property name="jndiName" value="${messaging.cf.jndi.name}" />
</bean>
The bundle required some tweaking to have the correct import-packages (might
need more I am afraid):
<Import-Package>
org.apache.activemq.camel.component,
org.apache.camel.component.jms,
org.apache.servicemix.camel.nmr,
org.apache.servicemix.nmr.api,
org.springframework.jndi,
org.springframework.jms,
org.springframework.jms.support,
org.springframework.jms.support.destination,
org.springframework.beans,
org.springframework.beans.factory,
org.apache.activemq,
com.ibm.websphere.naming,
com.ibm.CORBA.iiop,
com.ibm.ws.sib.api.jmsra.impl,
com.ibm.ejs.j2c,
javax.naming,
javax.naming.spi,
javax.net,
*
</Import-Package>
Here is the stack I get at Runtime (
http://camel.465427.n5.nabble.com/file/n3380989/WebSphere.camel.stack.txt
full stack enclosed )
Caused by: java.lang.IllegalStateException: Cannot convert value of type
[com.ibm.ws.sib.api.jms.impl.JmsConnectionFactoryImpl] to required type
[javax.jms.ConnectionFactory] for property 'connectionFactory': no matching
editors or conversion strategy found
I did some googling and according to
http://forum.springframework.org/showthread.php?t=34920 This post , the
cause might be related to the JMS api being present at multiple level in the
classpath...
I am far from being an OSGi expert and I have some difficulties to see how I
could solve this issue.
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