Details
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Bug
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Resolution: Won't Do
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Major
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None
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7.0.6.GA
Description
RESTeasy is selecting the wrong variant. Let's say we have the following JAX-RS resource method:
@Path("/") public class WrongParamResource { final List<Integer> body = Arrays.asList(1, 2, 3, 4, 5, 6); @GET public Response variants() { final List<Variant> variants = Variant .mediaTypes(MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_XML_TYPE, MediaType.TEXT_PLAIN_TYPE) .build(); return Response.ok(body).variants(variants).build(); } }
It works if we ask for a specific content type:
$ curl -H 'Accept: application/json' http://localhost:8080/resteasy-wrong-variant [1,2,3,4,5,6]
But it fails when we use / accept header (it should select JSON):
$ curl -H 'Accept: */*' http://localhost:8080/resteasy-wrong-variantCould not find MessageBodyWriter for response object of type: java.util.Arrays$ArrayList of media type: application/octet-stream
It should select application/json. When we apply the fix from JBEAP-10916 the issue is different, but still, it will not select the correct variant. See below it should select text/plan, but instead returns a 406 error:
$ curl -H 'Accept: text/*,*/*' -v http://localhost:8080/resteasy-wrong-variant* About to connect() to localhost port 8080 (#0) * Trying ::1... * Connection refused * Trying 127.0.0.1... * Connected to localhost (127.0.0.1) port 8080 (#0) > GET /resteasy-wrong-variant HTTP/1.1 > User-Agent: curl/7.29.0 > Host: localhost:8080 > Accept: text/*,*/* > < HTTP/1.1 406 Not Acceptable < Connection: keep-alive < X-Powered-By: Undertow/1 < Server: JBoss-EAP/7 < Content-Length: 0 < Date: Thu, 22 Jun 2017 02:48:59 GMT < * Connection #0 to host localhost left intact
This issue should be fixed by: https://issues.jboss.org/browse/RESTEASY-994
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