Using user parameter for

Hello,
I have created a report using an xml pds. I am using a servlet for the xml data stream source. Everything works great with the url to the servlet hard-coded between the <xml></xml> tags (ex. <xml>http://10.3.35.119:9004/ssapp/servlet/ScheduleDataServlet</xml>) but when I try using a user parameter between the tags (so I will be able to dynamically change the url to this servlet) it bombs. Please see my source code and error message below. Any help would be greatly appreciated, I've been stuck on this for days! Thanks!
<rw:report id="recoveryCenterScheduleReport" parameters="server=myreportserver&userid=ssstage/ssstage@DEVL&p_xmlDataURL=http://10.3.35.119:9004/ssapp/servlet/ScheduleDataServlet">
<rw:objects id="objects">
<?xml version="1.0" encoding="WINDOWS-1252" ?>
<report name="XMLscheduleReport" DTDVersion="9.0.2.0.0">
<xmlSettings xmlTag="XMLSCHEDULEREPORT" xmlPrologType="text">
<![CDATA[<?xml version="1.0" encoding="&Encoding"?>]]>
</xmlSettings>
<data>
<userParameter name="XML_HTTPS" datatype="character"
pluginClass="oracle.reports.plugin.datasource.xmlpds.XMLDataSourceFactory"
width="255" defaultWidth="0" defaultHeight="0" display="no"/>
<userParameter name="p_xmlDataURL" datatype="character" width="100"
precision="10" defaultWidth="0" defaultHeight="0"/>
<dataSource name="QP_1">
<plugin
factoryClass="oracle.reports.plugin.datasource.xmlpds.XMLDataSourceFactory"
majorVersionNumber="1" minorVersionNumber="2"
signOnParameter="XML_HTTPS">
<![CDATA[<xmlpds DTDVersion=" 1.0">
<dtd>null</dtd>
<schema>file:///C:/Practic Workspace/Practice/WEB-INF/xsd/scheduleReport.xsd</schema>
<XSQLschema>null</XSQLschema>
<XSQLWithDTD>false</XSQLWithDTD>
<type>false</type>
<xmlWritten>true</xmlWritten>
<validate>true</validate>
<xml>&<[b]p_xmlDataURL></xml>
<xsl>null</xsl>
javax.servlet.jsp.JspException: rwlib-1: REP-0002: Unable to retrieve a string from the report builder message file.
REP-0069: Internal error
XMLPDS-63004:Generic error while parsing the URL stream name instead of <.
REP-4111: Fail to create pluggable data source 'QP_1'
at oracle.reports.jsp.ObjectsTag.doEndTag(ObjectsTag.java:180)
at jsp.reports._schedule._XMLscheduleReport._jspService(_XMLscheduleReport.java:87)
....

Never mind, I discovered the problem. I wasn't using the necessary xml escape characters for the user parameter embedded in the xml.

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