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From j...@socialchange.net.au
Subject RE: Bugs!
Date Thu, 28 Dec 2000 10:31:07 GMT
Sorry, I've just discovered my version of gmail doesn't read attachments :/
While I figure out how to demunge your .zip, here's a modified XSP that
uses an XSLT. From what I gather, this is what you say doesn't work.
The servlet Simple.java can return text/xml or text/html, it doesn't make a
difference.

---- test.xml ----
<?xml version="1.0"?>

<?cocoon-process type="xsp"?>
<?cocoon-process type="xslt"?>
<?xml-stylesheet href="test.xsl" type="text/xsl"?>

<xsp:page
    language="java"
    xmlns:xsp="http://www.apache.org/1999/XSP/Core"
    xmlns:util="http://www.apache.org/1999/XSP/Util"
    xmlns:request="http://www.apache.org/1999/XSP/Request"
>
<page>
    <util:include-uri>
        <util:href>
            <xsp:expr>"http://localhost:8080/taglib/servlet/Simple?firstname="+<request:get-parameter
name="name" default="joe"/></xsp:expr>
        </util:href>
    </util:include-uri>
</page>
</xsp:page>
----

---- test.xsl ----
<?xml version="1.0"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:xsp="http://www.apache.org/1999/XSP/Core"
>
<xsl:template match="page">
    <xsl:processing-instruction name="cocoon-format">type="text/html"</xsl:processing-instruction>
    <xsl:copy-of select="node()"/>
</xsl:template>

</xsl:stylesheet>
----


--Jeff

> 
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> 
> Hi,
> 
> Thanks for that.  I am using xml content.  The example you gave me is OK
> until I add a <?cocoon-process type="xslt"?> and a <?xml-stylesheet?>
> definition.  It seems that as soon as I add the XSLT declaration it loops as
> mentioned in my post and only works if I manually delete the "repository"
> directory while the request is in progress.
> 
> Attached is a very basic demo to show the error.  If you run this, the page
> is only displayed if you delete the contents of the repository directory
> while the page is being processed
> 
> Regards, David.
> 
> 
> 
> -----Original Message-----
> From: jeff@socialchange.net.au [mailto:jeff@socialchange.net.au]
> Sent: Thursday, 28 December 2000 1:17
> To: cocoon-users@xml.apache.org
> Cc: David Cittadini
> Subject: Re: Bugs!
> 
> 
> > I have found the following problem in Cocoon version 1.8 as well as in the
> > current live CVS repository.  If I access the XML file in Scenario 1
> below,
> > Cocoon will continuously call "testservlet" until the system eventually
> runs
> > out of memory.  However, if I delete all the files in the "repository"
> > directory while Cocoon is making this continuous calls, Cocoon will
> suddenly
> > stop re-calling "testservlet", process the call correctly and the correct
> > data will be displayed in the browser.  Exactly the same thing will happen
> > in Scenario 2 even though the "uid" is static instead of dynamic, as in
> > Scenario 1.  It only seems to work if I delete the files in the repository
> > while the call is running.
> 
> I can't replicate the problem here.. I'm using 1.8.1dev from CVS last week.
> Is your
> servlet returning text/xml or text/html? Either way, it must be well-formed.
> Here's
> what I got working:
> 
> ---- WEB-INF/classes/Simple.java
> import java.io.*;
> import java.text.*;
> import java.util.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
> 
> public class Simple extends HttpServlet {
> 
> public void doGet(HttpServletRequest request,
> HttpServletResponse response)
> throws IOException, ServletException
> {
> response.setContentType("text/html");
> 
> PrintWriter out = response.getWriter();
> out.println("<html>");
> out.println("<body>");
> out.println("firstname="+request.getParameter("firstname"));
> out.println("lastname="+request.getParameter("lastname"));
> out.println("</body>");
> out.println("</html>");
> }
> 
> public void doPost(HttpServletRequest request,
> HttpServletResponse response)
> throws IOException, ServletException
> {
> doGet(request, response);
> }
> 
> }
> ----
> 
> 
> ---- /test.xml ----
> <?xml version="1.0"?>
> <?cocoon-process type="xsp"?>
> <?cocoon-format type="text/html"?>
> <xsp:page xmlns:xsp="http://www.apache.org/1999/XSP/Core"
> xmlns:util="http://www.apache.org/1999/XSP/Util"
> xmlns:request="http://www.apache.org/1999/XSP/Request"
> >
> <page>
> <util:include-uri>
> <util:href>
> <xsp:expr>"http://localhost:8080/taglib/servlet/Simple?firstname="+<request:
> get-parameter name="name" default="joe"/></xsp:expr>
> </util:href>
> </util:include-uri>
> </page>
> </xsp:page>
> ----
> 
> (Note you'll have to change the URL in test.xml)
> 
> Then if I request http://localhost:8080/taglib/test.xml?name=John, I get:
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"
> "http://www.w3.org/TR/REC-html40/strict.dtd">
> <page xmlns:request="http://www.apache.org/1999/XSP/Request">
> <html>
> <body>
> firstname=John
> lastname=null
> </body>
> </html>
> </page>
> <!-- This page was served in 84 milliseconds by Cocoon 1.8.1-dev -->
> 
> 
> >
> > I am sure you are aware of the next bug:  In Scenario 1, Cocoon does
> > recognise any dynamic parameters other than the one passed when it is
> first
> > accessed.  If you pass a new parameter it just shows the data from the
> first
> > call.  In order to get it work "dynamically", you have to manually delete
> > all the files in the "repository" directory and run the call again.  This
> > means that there is a problem in the cache.
> 
> Something's really weird with your setup ;P You're not editing XSPs on a
> different computer with a date set in the future, are you? Other than that,
> I've no idea. Reinstall cocoon, and if it's still doing weird stuff,
> sprinkle holy
> water over your computer.
> 
> --Jeff
> 
> >
> >
> > SCENARIO 1
> > ==========
> >
> > <?xml version="1.0"?>
> > <?cocoon-process type="xsp"?>
> > <?cocoon-process type="xslt"?>
> > <?xml-stylesheet href="test.xsl" type="text/xsl"?>
> > <xsp:page xmlns:xsp="http://www.apache.org/1999/XSP/Core"
> > xmlns:util="http://www.apache.org/1999/XSP/Util">
> > <page>
> > <util:include-uri>
> > <util:href>
> >
> > <xsp:expr>"http://localhost/servlet/testservlet?uid=" +
> > request.getParameter("uid")</xsp:expr>
> > </util:href>
> > </util:include-uri>
> > </page>
> > </xsp:page>
> >
> > SCENARIO 2
> > ==========
> > <?xml version="1.0"?>
> > <?cocoon-process type="xsp"?>
> > <?cocoon-process type="xslt"?>
> > <?xml-stylesheet href="test.xsl " type="text/xsl"?>
> > <xsp:page xmlns:xsp="http://www.apache.org/1999/XSP/Core"
> > xmlns:util="http://www.apache.org/1999/XSP/Util">
> > <page>
> > <util:include-uri>
> > <util:href>
> >
> > <xsp:expr>"http://borg/servlet/xmldatabaseserver?uid=testid"</xsp:expr>
> > </util:href>
> > </util:include-uri>
> > </page>
> > </xsp:page>
> 
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