Forgot to mention that I'm using Camel 2.4.

SlavaC wrote:
> 
> Hi everybody,
> 
> Noticed that the same multicast can behave differently when inside a
> splitter. 
> 
> Consider the route:
> 
>     <route>
>       <from uri="direct:start"/>
> 
>       <setHeader headerName="initial">
>         <constant>initValue</constant>
>       </setHeader>
> 
>       <split strategyRef="someCustomStrategy">
>         <tokenize token=","/>
>         <multicast>
>           <setHeader headerName="Multicast1">
>             <constant>Value1</constant>
>           </setHeader>
>           <setHeader headerName="Multicast2">
>             <constant>Value2</constant>
>           </setHeader>
>         </multicast>
>         <to uri="mock:result"/>
>       </split>
>     </route>
> 
> 
> The messages in the mock:result endpoint will contain initial and
> Multicast2 headers along with the body from the split. This is the
> expected behavior since the multicast is supposed to use
> UseLatestAggregationStrategy by default.
> Now if we just remove the startegyRef parameter from the splitter then
> multicast will return the original message that entered the split, thus it
> will have only initial header and the body before the split.
> This happens because the default Aggregation Strategy used in splitter
> (UseOriginalAggregationStrategy) is saved in the split exchange and then
> later used by the multicast for aggregation.
> 
> Can this considered as a bug or it is an expected behavior to have
> different results coming out of multicast depending on the Aggregation
> Strategy defined for outer splitter?
>  
> Thanks.
> -- SlavaC
> 
> 

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