[jira] [Commented] (CXF-5980) JAX-RS 2.0 client: response.readEntity(new GenericType<...>{}) fails with "unexpected element" UnmarshalException

["Karl M. Davis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CXF-5980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14116822#comment-14116822 ] 

Karl M. Davis commented on CXF-5980:
------------------------------------

Just a side note: I was able to workaround this with a solution similar to the one detailed here: http://stackoverflow.com/a/13273022/1851299.

This is something that the JAX-RS client really should support without that hack, though.

> JAX-RS 2.0 client: response.readEntity(new GenericType<...>{}) fails with "unexpected element" UnmarshalException
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: CXF-5980
>                 URL: https://issues.apache.org/jira/browse/CXF-5980
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 3.0.1
>         Environment: Ubuntu 14.04, Oracle Java 7
>            Reporter: Karl M. Davis
>         Attachments: cxf-generictype-jaxrs-client-log.txt
>
>
> The following code fails:
> {code:Java}
> public List<GameSession> getGamesForPlayer() {
> 	Client client = ClientBuilder.newClient();
> 	Builder requestBuilder = client.target(config.getServiceRoot())
> 			.path(IGameSessionResource.SERVICE_PATH)
> 				.path(IGameSessionResource.SERVICE_PATH_GAMES_FOR_PLAYER)
> 			.request(MediaType.TEXT_XML_TYPE);
> 	cookieStore.applyCookies(requestBuilder);
> 	Response response = requestBuilder.get();
> 	if (Status.Family.familyOf(response.getStatus()) != Status.Family.SUCCESSFUL)
> 		throw new HttpClientException(response.getStatusInfo());
> 	List<GameSession> games = response.readEntity(
> 			new GenericType<List<GameSession>>(GameSession.class) {});
> 	cookieStore.remember(response.getCookies());
> 	return games;
> }
> {code}
> With the following root exception (I'll attach the full log out/stack tracce so you can see where in CXF this is coming from):
> {code}
> javax.xml.bind.UnmarshalException: unexpected element (uri:"http://justdavis.com/karl/rpstourney/api/schema/v1", local:"gameSessions"). Expected elements are <{http://justdavis.com/karl/rpstourney/api/schema/v1}account>,<{http://justdavis.com/karl/rpstourney/api/schema/v1}gameRound>,<{http://justdavis.com/karl/rpstourney/api/schema/v1}gameSession>,<{http://justdavis.com/karl/rpstourney/api/schema/v1}player>
> 	... 93 common frames omitted
> {code}
> This is the first time I've tried to pull a generic/collection object out of a Response using CXF's JAX-RS 2.0 client, so my guess is that this is just an unsupported edge case? For what it's worth, the server-side of the web service being queried is hosted by the same version of CSF and handles this just fine-- only the client seems to have issues.



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