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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