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https://issues.apache.org/jira/browse/CXF-5858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074303#comment-14074303
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Sergey Beryozkin commented on CXF-5858:
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Hi, thanks for creating a test project.
I run it with CXF 3.1.0-SNAPSHOT, disabled the tests, deployed the war into
Tomcat, and then run the test where Criteria is built (I changed the context
name to "cxf-rest" and port to "8080", enabled the registration of the param
converter) and it passed.
I've found why registering the param converter makes a difference. The param
converter returns the correct JSON representation, starting with '{', followed
by a double quote, followed by the property name, etc. Criteria.toString()
returns a string starting from '{' and then followed immediately by the
property name. In the latter case CXF UriTemplate things it is a proper
template variable and does not encode '{'. In the former it does not recognize
the sequence as a template var and encodes '{} too and thus the invocation
proceeds.
I think the fact that UriTemplate treats
{noformat}
{"a":"b"}
{noformat}
and
{noformat}
{a:"b"}
{noformat}
differently is a UriTemplate bug and as such,
with or without ParamConverterProvider the invocation should've failed.
Unless the client code does take care of encoding '{' itself.
So to summarize: get your ParamConverterProvider to encode '{' and '}' because
when these characters get submitted as is CXF should always treat it as a
template variable. I'll deal with the UriTemplate issue to make sure it is
enforced asap
> WebClient using GET with complex query param object :
> IllegalArgumentException: Unresolved variables; only 0 value(s) given for 1
> unique variable(s)
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CXF-5858
> URL: https://issues.apache.org/jira/browse/CXF-5858
> Project: CXF
> Issue Type: Bug
> Affects Versions: 2.7.11, 3.0.0
> Reporter: julien Bordeneuve
>
> Hi,
> I use the CXF WebClient to GET a message to a server with a complex query ,
> this code work on CXF 2.5.x but after a complete version upgrade to CXF 3.0.0
> (also try on 2.7.11). I obtain this exception IllegalArgumentException:
> Unresolved variables; only 0 value(s) given for 1 unique variable(s).
> The problem seems to be on the URITemplate when CurlyBraceTokenizer parse
> the query.
> for example for my query :
> criteria={destination:"Paris", arrivalDate:"20/11/2014", nbNight:"2",
> nbAdult:"1", nbChild:"0", nbRoom:"null"},
> The CurlyBraceTokenizer parser split it like this :
> variable = destination
> value = "Paris", arrivalDate:"20/11/2014", nbNight:"2", nbAdult:"1",
> nbChild:"0", nbRoom:"null"
> client side :
> "
> final List<Object> providers = new ArrayList<Object>();
> providers.add(new JacksonJaxbJsonProvider());
> // providers.add(new ParamConverterProviderImpl());
> WebClient client = WebClient.create(
>
> "http://localhost:8090/rest-cxf_v2.7.11/API/REST/POC/";, providers);
> client =
> client.accept("application/json").type("application/json")
> .path("/bookingServices/getHotelByCriteria");
> client.resetQuery();
>
> final Criteria criteria = new Criteria();
> criteria.setDestination("Paris");
> criteria.setArrivalDate("20/11/2014");
> criteria.setNbNight("2");
> criteria.setNbAdult("1");
> criteria.setNbChild("2");
> criteria.setNbRoom("1");
> client.query("criteria", criteria);
>
> client.getCurrentURI();
>
> @SuppressWarnings("unchecked")
> final List<Hotel> hotels = (List<Hotel>) client
> .getCollection(Hotel.class);
> assertThat(hotels).isNotNull();
> }
> "
> server side :
> @GET
> @Consumes({ MediaType.APPLICATION_JSON })
> @Produces({ MediaType.APPLICATION_JSON })
> @Path("/getHotelByCriteria")
> public List<Hotel> getHotelByCriteria (@QueryParam("criteria") final
> Criteria criteria)
> {
> }
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