Hello, Lately, we did a lot of improvements to the platform-http component. Can you try using the latest Camel 4.10.x release and platform-http instead of servlet? IIRC, in platform-http component the attachments are handled in the body (if only one attachment is present) and the message attachments.
Il giorno mer 14 mag 2025 alle ore 07:59 KARTHIK PRABHU N < karthikprabh...@gmail.com> ha scritto: > Hello Team, > > Good morning ! > > I have a route exposed as REST endpoint with method POST which should > extract attachment file from the request but somehow, it’s not working. But > the same route - of course with different logic – able to extract > attachment from the body. Could you please explain this behavior.? You can > find more information below. > > Camel version : 4.8.03 > > > > curl --location 'http://0.0.0.0:8888/camel/upload' \ > > --header 'Content-Type: multipart/form-data' \ > > --form 'filename=@"/C:/Users/karthik/Downloads/agv_2025032716202293.xml"' > > > > > > *Endpoints are exposed using REST DSL with Servlet component. * > > > > restConfiguration() > .component("servlet") // Use Servlet (important for Spring Boot) > .bindingMode(RestBindingMode.*off*) // Ensures JSON response > .contextPath("/") // Base API Path > .apiContextPath("/api-doc") // OpenAPI spec available at /api-doc > .apiProperty ("api.title" *,*"example project") > .apiProperty ("api.version" *,*gitCommitId) > .componentProperty("responseBufferSize"*,* > "100000").endpointProperty("attachmentMultipartBinding"*, *"true")*;* > > > > *Route * > > > > From(rest:post:floorplan/upload?consumes=multipart/form-data) > > .process(exchange -> { > Message message = exchange.getMessage(); > > AttachmentMessage in = > exchange.getIn(AttachmentMessage.class); > > System.out.println("has attachments" + > in.getAttachments().size()); > > > > }) > > > > > > *But the below logic works, here I am not sure how attachment is read from > the message body which is ideal should be present in the message > attachment. * > > > > try( InputStream bis = new > > BufferedInputStream(exchange.getMessage().getMandatoryBody(InputStream.class)); > BufferedOutputStream bos = new BufferedOutputStream(new > FileOutputStream("upload/abc.bin"));){ > int bytesRead = bis.read(); > while (bytesRead != -1){ > bos.write(bytesRead); > bytesRead = bis.read(); > > } > > > > Best regards, > > *Karthik Prabhu N* > >
