Hi All,
I have an application offering a POST HTTP REST service implemented via JAX-RS
in Jetty. Because under special circumstances the time required for this
service to execute may exceed a couple of minutes, I am considering to provide
interim 102 processing responses reporting the progress of the operation to the
client until providing a final 200 Ok response.
I tried to follow instructions as in
https://www.eclipse.org/jetty/documentation/9.4.34.v20201102/jetty-1xx-responses.html.
The code is something like
import import javax.servlet.http.HttpServletRequest;
import import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.Response;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.Path;
import javax.ws.rs.POST;
@Path("gr")
public class GenericResource {
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public Response procAlert(@Context HttpServletRequest req,
@Context HttpServletResponse resp) {
// Some processing...
resp.setHeader("Progress", "0/2 Something on the way");
resp.sendError(102);
// Some more processing...
resp.setHeader("Progress", "1/2 Almost there");
resp.sendError(102);
// Last processing...
return Response.ok().entity("{\"Reply\": \"Bingo!\"}").build();
}
}
I am using Java 8.
The problem is that on the client side the interim responses are not delivered.
The HTTP client only receives the final 200 OK reply as if the sending of
interim ones had not been attempted.
Any help on this subject would be welcomed.
Best regards,
Paulo Sardinha
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