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From "Neal Hu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-7071) HttpServletRequest.getParameter only get String from query not both posted form data
Date Tue, 27 Sep 2016 16:02:20 GMT

    [ https://issues.apache.org/jira/browse/CXF-7071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15526562#comment-15526562
] 

Neal Hu commented on CXF-7071:
------------------------------

Yes, the request is FormParam. I mean the Servlet API can get parameter from QueryParam or
FormParam both. But cxf wrapped Servlet request can not accept from QueryParam. The root cause
is CXF consumes the inputstream by default and set the servlet  property "usingInputSteam"
to true and change the path of parsing the parameter of servlet API getParameter. I will try
the property, but the approach are different from servlet consuming the inputstream comparing
with CXF.

> 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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