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  1. Undertow
  2. UNDERTOW-2682

HttpServletRequestImpl won't parse form data after getInputStream() or getReader() are called.

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    • Icon: Bug Bug
    • Resolution: Not a Bug
    • Icon: Major Major
    • None
    • 2.3.20.Final
    • Servlet
    • None
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      In a jakarta.servlet.Filter:

       

       

      @Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
    ServletInputStream in = request.getInputStream();
    Map<String, String[]> params = request.getParameterMap();
}

       

       

      Pass a request with form params. The "params" variable will contain null.

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      In a jakarta.servlet.Filter:     @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { ServletInputStream in = request.getInputStream();  Map< String , String []> params = request.getParameterMap(); }     Pass a request with form params. The "params" variable will contain null.

      HttpServletRequestImpl.parseFormData() returns null if readStarted is true. Calls to get the input stream or a reader both set readStarted to true, even if nothing has been read from the input stream. To the client code, it looks like the request has content (getContentLength() returns a non zero value), but the parameters are missing.

       

       

              rhn-cservice-bbaranow Bartosz Baranowski
              mendicant_coder Eric Hodges (Inactive)
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                Created:
                Updated:
                Resolved: