Hi

You need to end the multicat assuming you only want to call a and b

  
.multicast(stringConcatStrategy).parallelProcessing(true).to("direct:a","direct:b")

should be

  .multicast(stringConcatStrategy).parallelProcessing(true)
      .to("direct:a","direct:b")
   .end()

On Fri, Jul 3, 2020 at 8:37 PM Reji Mathews <contactr...@gmail.com> wrote:
>
> Am just trying to understand the nature of multicast EIP and its further
> processing down.
>
> I have a route as follows
>
> @Override
> public void configure() throws Exception {
>     from("jetty:http://0.0.0.0:8081/testagg?httpMethodRestrict=GET";)
>             .convertBodyTo(String.class)
>             
> .multicast(stringConcatStrategy).parallelProcessing(true).to("direct:a","direct:b")
>             .log("MultiCast Completed body = ${body}")
>             .setBody(constant("data3"))
>             .log("After setting new body => ${body}")
>             .transform(constant("data4"))
>             .end();
>
>     from("direct:a")
>             .transform(simple("data1")) // instead you can have http
> client call here
>             .delayer(5000)
>             .end();
>
>     from("direct:b")
>             .transform(simple("data2")) // instead you can have http
> client call here
>             .end();
> }
>
>
>
> I poked the flow using an http client and I see the following log
> being printed even before the http call returns.
>
> 2020-07-03 14:31:40.291  INFO 363488 --- [#10 - Multicast] route1
>                              : MultiCast Completed body =
> 2020-07-03 14:31:40.291  INFO 363488 --- [ #5 - Multicast] route1
>                              : After setting new body =>
>
>
>
> And strangely, the response received by http client is as follows
>
> => data1data2data3data4
>
> Am just trying to understand how the flow works. Isn't the 2 logs supposed
> to be printed after the multicast aggregator is finished executing? And how
> come setBody and Transform EIP isn't replacing the output from the
> aggregator "stringConcatStrategy"?
>
>
> Am using camel v 2.24.0 for this experiment.
>
> Cheers
>
> Reji Mathews



-- 
Claus Ibsen
-----------------
http://davsclaus.com @davsclaus
Camel in Action 2: https://www.manning.com/ibsen2

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