Camel JaxbDataFormat marshaling issue

Solution Verified - Updated -

Issue

  • We have this given simple route:
 new RouteBuilder() {
        @Override
        public void configure() throws Exception {
            from("direct:objectToXML")
                .marshal(jaxb);
        }
    };

with this input:

 DomainObject input = new DomainObject("stuff");
    Exchange exchange = template.request("direct:objectToXML", new RouteInputProcessor(input));
  • Then a test such as this will fail:
Object actual = exchange.getIn().getBody();
    Assert.assertTrue(actual instanceof byte[]);

Because the class of actual is still DomainObject. However, modifying the route to this:

new RouteBuilder() {
        @Override
        public void configure() throws Exception {
            from("direct:objectToXMLWithLog")
                .marshal(jaxb)
                .to("log:marshaled");
        }
    };

will work.

  • Same for this route:
 new RouteBuilder() {
        @Override
        public void configure() throws Exception {
            from("direct:objectToXMLWithEmptyProcessor")
                .marshal(jaxb)
                .process(new EmptyProcessor());
        }
    };

With EmptyProcessor having this method:

 @Override
    public void process(Exchange exchange) throws Exception {
    }

So... is the exchange a box and the message body scroedingers cat? Is this the expected behavior?

  • We assume that, during further processing of these routes, these problems would not actually occur. This might just be a problem with the way CamelTestSupport operates. However, we are trying to create a couple of tests to document/demonstrate how camel works in various scenarios and came across this.

Environment

  • Red Hat JBoss Fuse
    • 6.x
  • Apache Camel
    • camel-jaxb

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