It's not in the view layer. We segregate our controller JSPs from our
view JSPs. So you will change your argument to say that we should not
use JSPs at the control layer, and of course _most_ of our control logic
is in pure Java, but there are cases where having our controller logic
written in JSTL (and separated from other model/view JSP pages) is a
substantial advantage for us.
So the question still stands, is there a global way to change the commit
point so we don't have to constantly reset a connection to clear the buffer?
Aaron
On 3/25/2010 10:02 AM, Jon Stevens wrote:
This is why you don't put application logic into the view layer.
Before you 'push' your data into the view, figure out if you want to
do the redirect or not.
jon
On Thu, Mar 25, 2010 at 7:49 AM, Aaron Freeman
<[email protected] <mailto:[email protected]>> wrote:
We take some fairly lengthy queries (lengthy row based on row
count), and push the data into hashmaps in JSTL pages. After that
sometimes we evaluate the hashmap and sometimes have to redirect
the request to another page. In 3.0.23 it works with no
problems. In 4.0.5 we get "java.lang.IllegalStateException: Can't
sendRedirect() after data has committed to the client."
The reason being, that the for loop is causing a ton of white
space to be sent to be buffered up, and at some point a buffer
size limit has been hit with only whitespace, causing Resin to
then send the HTTP headers and commit the request.
So in the for loop I can do this to "fix" the problem:
<c:forEach items="${requestScope.getRewriteUrlsQuery.rows}"
var="rewriteUrlsQuery">
<% response.reset(); %>
....
</c:forEach>
The question is, is there a setting in the resin.xml where I can
change the buffer size globally, or do we have to go to modify all
JSPs that potentially have this problem? Was the default commit
point changed between 3.0.x and
4.0.x, or some other architecture change, as we have never seen
this until now?*
*
Thanks,
Aaron*
*
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