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https://issues.apache.org/jira/browse/CXF-7071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15526209#comment-15526209
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Sergey Beryozkin commented on CXF-7071:
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Neal,
CXF does not implement HttpServletRequest - it merely wraps it, the underlying
servlet container is obviously not understanding that it needs to cache the
form payload while CXF itself can not do it by default either because it will
immediately break the JAX-RS service code which may try to read the form
payload from InputStream - this stream will become empty if HttpServletRequest
caches the form payload into the parameters.
FYI, this is not a new request. CXF Bus can be set with a
"cache.http.request.parameters" property:
https://github.com/apache/cxf/blob/master/rt/transports/http/src/main/java/org/apache/cxf/transport/http/AbstractHTTPDestination.java#L301
Enable it and you will see CXF effectively asking HttpServletRequest
pre-reading the form payload - but as I said it might cause the side-effects.
Either way, please confirm setting that property works
> HttpServletRequest.getParameter only get String from query not both posted
> form data
> ------------------------------------------------------------------------------------
>
> Key: CXF-7071
> URL: https://issues.apache.org/jira/browse/CXF-7071
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.1.7
> Reporter: Neal Hu
> Fix For: 3.1.8
>
>
> The http request:
> POST /dubbott-demo-provider/v1.0/users/beanparam HTTP/1.1
> HOST: localhost:8080
> accept: text/plain
> content-type: application/x-www-form-urlencoded
> content-length: 12
> pageIndex=99
> The resource method returns null:
> {code:java}
> public String beanParam(@Context HttpServletRequest req, String ak) {
> String pageIndex = req.getParameter("pageIndex")
> return pageIndex;
> }
> {code}
> From the servlet 3.1 API doc:
> String javax.servlet.ServletRequest.getParameter(String name)
> Returns the value of a request parameter as a String, or null if the
> parameter does not exist. Request parameters are extra information sent with
> the request. For HTTP servlets, parameters are contained in the query string
> or posted form data.
> if we add below servlet filter:
> {code:java}
> public void doFilter(ServletRequest request, ServletResponse response,
> FilterChain chain) throws IOException, ServletException {
> System.out.println(request.getParameter("pageIndex") );
> chain.doFilter(request, response);
> }
> {code}
> The output is "99" the response is the same "99".
> As a conclusion the CXF HttpServletRequest doesn't comply the Servlet 3.1 API
> Spec.
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