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https://issues.apache.org/jira/browse/CXF-5235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13751100#comment-13751100
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Sergey Beryozkin commented on CXF-5235:
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Well, the problem is, if you have multiple methods returning Response, on the
client side we do not know what kind of typed payload that Response may
represent, this knowledge can only be encoded at the point of retrieving the
actual data. Using ResponseReader to deal with multiple Responses is possible
but only using the pattern documented at
http://cxf.apache.org/docs/jax-rs-client-api.html#JAX-RSClientAPI-Limitations
Note, starting from CXF 2.7.x, 2.0 API has Response.readEntity(Class) method,
the idea is basically the same, the type info is provided at the point of
getting the data
> Cannot use multiple ResponseReaderS
> -----------------------------------
>
> Key: CXF-5235
> URL: https://issues.apache.org/jira/browse/CXF-5235
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 2.6.8
> Reporter: Chris Eineke
> Priority: Critical
>
> I've created a factory that uses JAXRSClientFactory to create implementations
> of my service interface classes.
> In the body of each method I create a list of providers to be used by
> JAXRSClientFactory.create, some of them being ResponseReaderS. Here's an
> example:
> JAXBElementProvider jaxbProvider = new JAXBElementProvider();
> JSONProvider jsonProvider = new JSONProvider();
> jsonProvider.setDropRootElement(true);
> jsonProvider.setSupportUnwrapped(true);
>
> jsonProvider.setConsumeMediaTypes(Service.ContentTypeSummary.PRODUCE_MEDIA_TYPES);
>
> jsonProvider.setProduceMediaTypes(Service.ContentTypeSummary.CONSUME_MEDIA_TYPES);
> List<Object> providers = Lists.newArrayList();
> providers.add(jaxbProvider);
> providers.add(jsonProvider);
> providers.add(new ResponseReader(MyListV1.class));
> providers.add(new ResponseReader(MyV1.class));
> providers.add(new LoggingOutInterceptor(new PrintWriter(System.out)));
> providers.add(new LoggingInInterceptor(new PrintWriter(System.out)));
> return JAXRSClientFactory.create(
> System.getProperty("service.url"),
> MyRestfulService.class,
> providers,
> true);
> This particular service has two methods: one that returns a list of MyV1 and
> another one that just returns a MyV1. Now, it seems that the web client under
> hood always uses the first registered ResponseReader for any sort of
> response. If I call getMyV1 with the above order, I get a CCE. It works fine
> when I call getMyListV1, though. If I switch the order around, the service
> calls work vice versa as well.
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