Why isn't my xspaction retrieving a value?

[David Merrilees <da...@fenc.org.uk>]

I'm trying to retrieve a value from a database and then set it to a
sitemap parameter using an xsp action. The error report produced when I
run it says that there is no value to set. 

If I remove the <action:set-result> and run the action I can see the
stored procedure being executed using a trace on the database and the
value being successfully retrieved. I believe the rest of the code is
correct, there is very little documentation on the internet to check it
against.

Can anyone suggest a reason why the action is failing?

Thanks

David Merrilees

<?xml version="1.0"?>
<xsp:page
	language="java"
	xmlns:action="http://apache.org/cocoon/action/1.0"
	xmlns:xsp="http://apache.org/xsp"
	xmlns:esql="http://apache.org/cocoon/SQL/v2"
	xmlns:xsp-request="http://apache.org/xsp/request/2.0">
	<root>
		<esql:connection>
			<esql:pool>web</esql:pool>
			<esql:execute-query>
				<esql:call>exec sp_selectPrintOption
168</esql:call>
				<esql:results>
					<esql:row-results>
						<action:set-result
name="printOption">
							<action:param
name="value">
	
<esql:get-string column="printOption"/>
							</action:param>
						</action:set-result>
						<action:set-success/>
					</esql:row-results>
				</esql:results>
			</esql:execute-query>
		</esql:connection>
	</root>
</xsp:page>



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