Thanks for your help, Joerg.

    I tried to use HTMLGenerator with request parameters, but it didn't
work.
    But this probably because the form uses POST method?

    As for the "host is null" error, I noticed that in the pipeline I missed
the http://
    in the src of the generator. When I corrected it to be the following:

  <map:match pattern="testForm/http:/**">
      <map:generate src="http://www.nds.com/cgi-bin/ndssearch.pl";
type="wsproxy">
       <map:parameter name="wsproxy-method" value="post"/>
      </map:generate>
      <map:serialize type="html"/>
     </map:match>

  I now got other error:

  White spaces are required between
  publicId and systemId
    org.apache.cocoon.ProcessingException: Failed to execute pipeline.:
  null:1:63:org.xml.sax.SAXParseException: White spaces are required between
  publicId and systemId.

  I assume this is because the resulting page of the form submit is invalid
XML?

  I'm really confused about all this issue.
  I looked through the archives, there are few posts from people having
similar problems,
  but I didn't find any good answers.

  Sorry to pull up this problem again, but I really need to find the answer,
and I will be more than
  happy to get any thoughts of what's going on.

  Thank you all very much for help.

  Anna

    > Yes, though there could be problems with parameter URL encoding and
    > decoding. Using an input module and grasping the request query string
    > should also work with the HTML or file generator. For the host problem
    > you might do some remote debugging to see what's set and what not.
    >
    > Joerg
    >
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