is your XML something like below:
<%
String instance =
wt.util.WTProperties.getLocalProperties().getProperty
("wt.federation.ie.VMName");
%>
<ie:webject name="Query-Objects" type="OBJ">
<ie:param name="INSTANCE"<br"/>data="<%=instance%>"/>
<ie:param name="TYPE"<br"/>data="wt.change2.WTChangeOrder2"/>
<ie:param name="attribute"<br"/>data="number,name,state.state, " delim=","/>
<ie:param name="WHERE"<br"/>data="number='12345"/>
<ie:param name="GROUP_OUT"<br"/>data="ecn"/>
</ie:webject>