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https://issues.apache.org/jira/browse/CXF-5220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13745830#comment-13745830
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Sergey Beryozkin commented on CXF-5220:
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Thanks for reporting this issue. It actually has been fixed in CXF 2.6.9 - the
fix did not make it into 2.5.11 due to rather sensitive changes.
Consider upgrading to CXF 2.6.9 or CXF 2.7.6. If you can't then a simple
workaround is to register a custom JSONProvider which will simply delegate to
Jackson 2.2 provider
> Json API client does not work with Jackson 2.2
> ----------------------------------------------
>
> Key: CXF-5220
> URL: https://issues.apache.org/jira/browse/CXF-5220
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 2.5.11
> Reporter: bc Wong
>
> JacksonJsonProvider in Jackson 2.2 changes the signature to:
> {noformat}
> JacksonJsonProvider extends ProviderBase<JacksonJsonProvider, ObjectMapper,
> JsonEndpointConfig, JsonMapperConfigurator>
> {noformat}
> That means it'll never get picked as a candidate for a message reader,
> because {{ProviderFactory#handleMapper}} has this:
> {noformat}
> Class<?> mapperClass = ClassHelper.getRealClass(em.getProvider());
> Type[] types = getGenericInterfaces(mapperClass);
> for (Type t : types) {
> if (t instanceof ParameterizedType) {
> ParameterizedType pt = (ParameterizedType)t;
> Type[] args = pt.getActualTypeArguments();
> for (int i = 0; i < args.length; i++) {
> Type arg = args[i];
> if (arg instanceof TypeVariable) { // <------ Always fail
> TypeVariable var = (TypeVariable)arg;
> Type[] bounds = var.getBounds();
> {noformat}
> And the symptom is that my API client (which has a dependency on Jackson
> 2.2.2) errors out like this:
> {noformat}
> Caused by: javax.ws.rs.WebApplicationException:
> javax.xml.bind.UnmarshalException: unexpected element (uri:"",
> local:"items"). Expected elements are
> <{}cluster>,<{}clusterList>,<{}clusterRef>,<{}config>,<{}configList>,<{}healthCheck>,<{}parcel>,<{}role>,<{}roleConfigGroup>,<{}roleConfigGroupRef>,<{}roleTypeConfig>,<{}service>,<{}serviceConfig>,<{}serviceRef>
> at
> org.apache.cxf.jaxrs.provider.AbstractJAXBProvider.handleExceptionEnd(AbstractJAXBProvider.java:602)
> at
> org.apache.cxf.jaxrs.provider.AbstractJAXBProvider.handleJAXBException(AbstractJAXBProvider.java:614)
> at
> org.apache.cxf.jaxrs.provider.JSONProvider.readFrom(JSONProvider.java:248)
> {noformat}
> Note the last line. It should've used JacksonJsonProvider instead.
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