jsf - after filtering Empty rows blank rows displayed while paging in the datatable using Primefaces -


i have problem datatable using primefaces 2.2.1 , jsf 2.0.

i have used filtering , paging in datatable. when try filter selected data displayed , when remove filter entire data displayed. after when try use paging suddendly rows becomes blank(empty) see screenshot below

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enter image description here

enter image description here

any suggestions. please help.

.xhtml file

<p:datatable var="user" value="#{usermanagedbean.searchusersresults}"         selection="#{usermanagedbean.selecteduser}" selectionmode="single"         dynamic="true"         onrowselectupdate="userupdateform"         onrowunselectupdate="userupdateform"         rowselectlistener="#{usermanagedbean.onuserselect}"         rowunselectlistener="#{usermanagedbean.onuserunselect}"         paginator="true" rows="10" style="width: 70% ">         <p:column sortby="#{user.userid}" filterby="#{user.userid}" >             <f:facet name="header">             <h:outputtext value="id" />             </f:facet>             <h:outputtext value="#{user.userid}" />             </p:column>             <p:column sortby="#{user.username}" filterby="#{user.username}">             <f:facet name="header">             <h:outputtext value="name" />             </f:facet>             <h:outputtext value="#{user.username}" />             </p:column>             <p:column sortby="#{user.emailid}" filterby="#{user.emailid}">             <f:facet name="header">             <h:outputtext value="email" />             </f:facet>             <h:outputtext value="#{user.emailid}" />             </p:column>             <p:column sortby="#{user.dob}" filterby="#{user.dob}">             <f:facet name="header">             <h:outputtext value="dob" />             </f:facet>             <h:outputtext value="#{user.dob}" >                 <f:convertdatetime pattern="mm/dd/yyyy" />             </h:outputtext>         </p:column>     </p:datatable>     <p:panel id="userdetailspanelid" header="users details" style="width:60%;">     <h:panelgrid columns="2" cellpadding="2" id="userupdateform" border="0" >             <h:outputlabel for="#{usermanagedbean.selecteduser.userid}" value="userid"/>             <h:inputtext value="#{usermanagedbean.selecteduser.userid}" style="width: 100%;" readonly="true"></h:inputtext>              <h:outputlabel for="#{usermanagedbean.selecteduser.username}" value="username"/>             <h:inputtext value="#{usermanagedbean.selecteduser.username}" readonly="true"></h:inputtext>              <h:outputlabel for="#{usermanagedbean.selecteduser.emailid}" value="emailid"/>             <h:inputtext value="#{usermanagedbean.selecteduser.emailid}" readonly="true"></h:inputtext>              <h:outputlabel for="#{usermanagedbean.selecteduser.gender}" value="gender"/>             <h:inputtext value="#{usermanagedbean.selecteduser.gender}" readonly="true"></h:inputtext>              <h:outputlabel for="#{usermanagedbean.selecteduser.dob}" value="dob"/>             <h:inputtext value="#{usermanagedbean.selecteduser.dob}" readonly="true">                 <f:convertdatetime pattern="mm/dd/yyyy" />             </h:inputtext>          </h:panelgrid>         </p:panel>     </h:form>     </center>

i encountered same problem , discovered caused value object (in case user object) not implementing serializable.


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