You can try using javax.servlet.RequestDispatcher or in the worst case you
can open up a java.net.HttpURLConnection to the servlet and grab the
returned data. I'm pretty sure that there is a struts taglib that will do
the latter too.
Troy
-----Original Message-----
From: Robert E. Baker [mailto:[EMAIL PROTECTED]]
Sent: Monday, January 22, 2001 5:46 PM
To: [EMAIL PROTECTED]
Subject: Invoking a servlet from JSP
I have a self-contained servlet that returns a single value. I am trying to
include the output of this servlet in-line on an HTML/JSP page. When I try
to invoke the servlet using the following JSP INCLUDE tag, the page bombs
with Exception #500 (java.lang.IllegalStateException: Writer is already
being used for this request):
<jsp:include page="/servlet/TestServlet" flush="true">
<jsp:param name="type" value="apples" />
</jsp:include>
But when I use the JSP FORWARD tag, the servlet and page work perfectly,
except for the fact that the page returned contains only the output of the
servlet (as expected):
<jsp:forward page="/servlet/TestServlet" >
<jsp:param name="type" value="apples" />
</jsp:forward>
How can I accomplish what I need? BTW, I am using Tomcat 3.2.1.
Thanks,
Bob
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