spring - Display Tag Issue -

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i have collections of data display how display data using <display> tag in jsp file.

i have written

<display:table name="user" pagesize="10" export="true" sort="list">     <display:column property="firstname" title="first namee"                     sortable="true" headerclass="sortable" />     <display:column property="lastname" title="last name"                     sortable="true" headerclass="sortable" />     <display:column property="email" title="email" sortable="true"                     headerclass="sortable" /> </display:table>

it working data not displayed


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