Problem in showing data on page using struts

hi,iam new to struts framework,
iam trying to display data fetched from database in a page contaning multiple textfields,when i try to call this page iam getting
"javax.servlet.ServletException: Cannot find bean org.apache.struts.taglib.html.BEAN in scope null"
execption.can anybody tell me what can be the problem.
action tag is
<action path="/getdetails" type="com.dpsl.dxdam.participant.actions.ParticipantAction" name="ParticipantForm" scope="request" input="/jsp/participant/participantdetails.jsp">
<forward name="success" path="/jsp/participant/participantdetails.jsp"/>
</action>
iam setting the values in textfield by
<html:text property="participantpolicyID"/>
iam calling the page by url
http://localhost:8080/dxdams1.0/getdetails.do?action=getdetails
what can be the problem ,please guide me

Make sure all your text properties are correctly represented in your form bean.
Clems

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