Exchange headers in velocity

[Stephen J]

Is it possible to modify the headers when using a velocity template? I have
tried numerous different ways that I thought would work, but it seems my
processor always reads a null for the header I try to set in the velocity
template.

Here's a snippet of my xml route code....
<route>
           <from uri="amq:velocity"/>
            <filter>
                <methodCall bean="fruitFilter" method="isApple"/>
                <to uri="velocity:templates/AppleVelocityTemplate.vm" />
                <process ref="velocityProcessor" />
         
            </filter> 
            <filter>
                <methodCall bean="fruitFilter" method="isOrange"/>
                <to uri="velocity:templates/OrangeVelocityTemplate.vm" />
                <process ref="velocityProcessor" />
            </filter> 
   </route>

Note: I also tried adding the headers in my "fruitFilter" bean, but that
didn't work either.
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