jsf - datatable paginator primefaces not working -

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i'm trying include paginator on datatable it's not working, have table , paginator shows it's not working, int page 1 !! code : ![datatable paginator not working ][1]

<h:form id="form">                 <p:outputpanel id="users">                     <p:datatable id="userstable" value="#{personbean.allpersons}" paginator="true" rows="4" var="person"  >                         <p:column>                             <f:facet name="header">                                 <h:outputtext value="name" />                             </f:facet>                             <p:commandlink action="#{personbean.editperson}">                                 <h:outputtext value="#{person.name}" />                                 <f:setpropertyactionlistener target="#{personbean.person}"                                     value="#{person}" />                             </p:commandlink>                         </p:column>                          <p:column>                             <f:facet name="header">                                 <h:outputtext value="age" />                             </f:facet>                             <p:commandlink action="#{personbean.editperson}">                                 <h:outputtext value="#{person.age}" />                                 <f:setpropertyactionlistener target="#{personbean.person}"                                     value="#{person}" />                             </p:commandlink>                         </p:column>                     </p:datatable>                 </p:outputpanel>                 <p:commandbutton value="create new user"                     action="#{personbean.newperson}" />             </h:form>

always have same table, can't move 2


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