iam trying to pass parameters from the .xhtml page as ex

<ice:outputLink target="_blank" type="text/xml"
value="sampleSevlet?sampleId=#{sampleMessage.sampl eId}">
<ice:outputText value="sample" />

to a servlet here say sampleSevlet but when i try to two parameters as ex

value="sampleSevlet?sampleId=#{sampleMessage.sampl eId}&sample2Id=#{sampleMessage.sampleId}">

it is throwing me error as de-limiter is missing in (or) after sampleId something like that.....
and i cannot able to get the parameters in the servlet using req.getParameter("sample2Id");
can you please help me to resolve this issue .....