Thanks Karen investigating further.
i am confused though.
working version is the one using
"exchange.getIn().setHeader(Exchange.HTTP_RESPONSE_CODE, constant(500));"
whereas the latter using processor is not working..
On Mon, Aug 23, 2021 at 10:09 PM Karen Lease <karenlease...@gmail.com>
wrote:
> Hi Onder,
> I found the explanation for this behavior. It's caused by
> "constant(500)" in the expression:
> exchange.getIn().setHeader(Exchange.HTTP_RESPONSE_CODE, constant(500));
>
> The constant expression isn't evaluted to an integer when it is set;
> instead it is stored as a ValueBuilder object in the exchange header.
> The DefaultHttpBinding class tries to convert the ValueBuilder to an
> integer and it doesn't find an appropriate TypeConverter to do this so
> it doesn't set a response code.
>
> If you do: exchange.getIn().setHeader(Exchange.HTTP_RESPONSE_CODE, 500);
> it works as you expect.
>
> In the working version, the constant expression is evaluated by the
> setHeader() operation and it stores an integer in the exchange header.
>
> This is indeed quite confusing!
>
> Regards,
> Karen
>
> On 19/08/2021 16:04, Onder SEZGIN wrote:
> > Even more strange,
> >
> > i can see 500 in the logs however, response in postman is 404 in this
> > example.
> >
> > from("direct:uploadFiles")
> > .process(new Processor() {
> > @Override
> > public void process(Exchange exchange) throws Exception {
> >
> > exchange.getIn().setHeader(Exchange.HTTP_RESPONSE_CODE,
> > constant(500));
> > }
> > })
> > .log("Response code header: ${in.header.CamelHttpResponseCode}")
> > .choice().when(simple("${in.header.CamelHttpResponseCode} == 500"))
> > .setHeader(Exchange.HTTP_RESPONSE_CODE, constant(500))
> > .otherwise().setHeader(Exchange.HTTP_RESPONSE_CODE, constant(404))
> > .end();
> >
> >
> > On Thu, Aug 19, 2021 at 2:51 PM Onder SEZGIN <ondersez...@gmail.com>
> wrote:
> >
> >> Hi,
> >>
> >> i have a confusing issue while camel 3.7.5.
> >>
> >> when i have below. i can get 500.(Working fine titled example)
> >>
> >> However, if i have, HTTP response is not getting set to 500.
> >>
> >> Can anyone provide any light on this?
> >>
> >> Thanks.
> >>
> >> from("direct:uploadFiles")
> >> .process(new Processor() {
> >> @Override
> >> public void process(Exchange exchange) throws Exception {
> >>
> exchange.getIn().setHeader(Exchange.HTTP_RESPONSE_CODE, constant(500));
> >> }
> >> });
> >>
> >>
> >> Working fine:
> >> ------
> >>
> >> rest("/endpoint")
> >> .consumes("application/json")
> >> .produces("application/text")
> >> .post("/upload")
> >> .type(Void.class)
> >> .to("direct:uploadFiles");
> >>
> >> from("direct:uploadFiles")
> >>
> >> .setHeader(Exchange.HTTP_RESPONSE_CODE, constant(500))
> >>
> >>
> >
>
