Bugs item #594563, was opened at 2002-08-13 12:18
You can respond by visiting:
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Category: CatalinaBundle
Group: v3.0 Rabbit Hole
Status: Closed
Resolution: Fixed
Priority: 5
Submitted By: Jeff Miner (jeff_miner)
Assigned to: Scott M Stark (starksm)
Summary: Include of JSP jumps to top of page
Initial Comment:
OS: Win98
JDK: 1.4
I have some code that manually does a JSP include
by getting a RequestDispatcher. The code worked
under Weblogic 5.1 and 6. In Jboss/Catalina,
although there are no errors thrown, the output from
the included JSP gets put at the top of the containing
page rather than in the middle where it was called.
This is puzzling because it ought to be exactly the
same as a <jsp:include ...> tag (and I assume those
work!)
******Containing Page*******
....<table><tr><td>
<%= myObject.getOutput(request, response) %>
</td></tr></table>...
******* Object ********
public String getOutput(HttpServletRequest request,
HttpServletResponse response) {
RequestDispatcher dispatch =
context.getRequestDispatcher("someJSP.jsp");
try {
dispatch.include(request, response);
} catch(Exception e){}
return "";
*************
The output from "someJSP.jsp" should go inside the
table, but instead it goes at the top of the containing
page.
----------------------------------------------------------------------
Comment By: Alex Sumner (pqzx2)
Date: 2002-11-12 11:54
Message:
Logged In: YES
user_id=647259
You can either have
<%pageContext.getOut().flush();%>
...
<%=myObject.getOutput(request, response) %>
in the JSP, or you can put the flush in myObject. For the
latter you just have to make sure you're flushing the right
thing. Bit busy at the moment, don't have time to produce and
check an example. Your easiest option is to do it in the JSP
as above I think.
----------------------------------------------------------------------
Comment By: Jeff Miner (jeff_miner)
Date: 2002-11-12 02:26
Message:
Logged In: YES
user_id=592596
Yes, this:
<%pageContext.getOut().flush();%>
works, but can it be done in the object rather than in the
JSP? I'd have to pass the 'out' to the object (not good
practice).
----------------------------------------------------------------------
Comment By: Nobody/Anonymous (nobody)
Date: 2002-10-01 09:44
Message:
Logged In: NO
Try using
<%pageContext.getOut().flush();%>
The following works for me
<html>
<head></head>
<body>
about to include stuff --
<%
pageContext.getOut().flush();
RequestDispatcher rd = application.getRequestDispatcher
("/Included.jsp");
rd.include(request, response);
%>
-- finished including stuff
</body>
</html>
whereas this does not:
<html>
<head></head>
<body>
about to include stuff --
<%
response.flushBuffer();
RequestDispatcher rd = application.getRequestDispatcher
("/Included.jsp");
rd.include(request, response);
%>
-- finished including stuff
</body>
</html>
Regards,
Alex Sumner
----------------------------------------------------------------------
Comment By: Jeff Miner (jeff_miner)
Date: 2002-10-01 03:07
Message:
Logged In: YES
user_id=592596
nobody: I tried flushing the buffer (response.flushBuffer())
both before (makes sense) and after (a desperate move),
but it didn't help.
starksm: Version No.? When was it fixed? My version is
not that old, I don't think.
----------------------------------------------------------------------
Comment By: Nobody/Anonymous (nobody)
Date: 2002-09-30 10:43
Message:
Logged In: NO
The jump to the top of the page is due to the buffer not being
flushed. The given example is the same as a jsp include
without a buffer flush. If you want the buffer flushed, you have
to explicitly code that.
----------------------------------------------------------------------
Comment By: Scott M Stark (starksm)
Date: 2002-09-29 03:12
Message:
Logged In: YES
user_id=175228
This was a jasper issue that has been fixed.
----------------------------------------------------------------------
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