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https://issues.apache.org/jira/browse/CXF-6793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15156786#comment-15156786
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Sergey Beryozkin commented on CXF-6793:
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Hi Romain - can you please type the client code which does not work ?
Thanks, Sergey
> InvocationCallback doesn't try to get response class type
> ---------------------------------------------------------
>
> Key: CXF-6793
> URL: https://issues.apache.org/jira/browse/CXF-6793
> Project: CXF
> Issue Type: Bug
> Affects Versions: 3.1.5
> Reporter: Romain Manni-Bucau
>
> in org.apache.cxf.jaxrs.client.WebClient#doInvokeAsyncCallback the webclient
> could try to find the response class if not there.
> would avoid to give a null type the providers can't use to do what they need
> to
> Code can be if respClass is null and callback is not null something like:
> {code}
> // in real code filter interfaces and dont access them directly by index
> ParameterizedType.class.cast(callback.getClass().getGenericInterfaces()[0]).getActualTypeArguments()[0]
> {code}
> edit: digging a bit seems
> org.apache.cxf.jaxrs.utils.InjectionUtils#getSuperType just doesn't default
> to anything and in case of TypeVariable unbounded is not able to default to
> Object so if bound is really Object it fails
> if it helps here is the code I use:
> https://gist.github.com/rmannibucau/09a084c28d8b61c232cf - of course would
> like to make the class geenric (<T>) and remove this String typing ;)
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