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https://issues.apache.org/jira/browse/CXF-6190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14271076#comment-14271076
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Sergey Beryozkin commented on CXF-6190:
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The setter-based injection works directly in some of CXF JAX-RS code and system
tests.
ThreadLocalHttpServletRequest implements HttpServletRequest and hence it is an
instance of it.
It appears ThreadLocalHttpServletRequest gets proxified in your case somehow.
Can you check in your setter what 'req' actually is ? Is it possible you have
different Servlet API loaded ? I doubt it is a CXF issue...
Thanks
> HttpServletRequest injection via Context in setter
> --------------------------------------------------
>
> Key: CXF-6190
> URL: https://issues.apache.org/jira/browse/CXF-6190
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.0.3
> Reporter: Zdeněk Obst
>
> I'm trying to inject HttpServletRequest to my JAX-RS resource via @Context
> annotation. It works fine if I inject it via method parameter. But I don't
> want to "mess" my interfaces with that so I'd like to inject it via setter.
> I use this simple method (I'm using Kotlin but I the issue should be the same
> for Java):
> {code:java}
> var req : HttpServletRequest? = null
> Context
> fun setRequest(req : HttpServletRequest) {
> this.req = req
> }
> {code}
> The thing is, that the setter is called via reflection in
> org.apache.cxf.jaxrs.utils.InjectionUtils in method injectThroughMethod. The
> method name is correct but as parameter value is instance of
> ThreadLocalHttpServletRequest which clearly is not HttpServletRequest (it is
> not inherited class) so this gets thrown:
> java.lang.IllegalArgumentException: object is not an instance of declaring
> class
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