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

I have problem with datatable using Primefaces 2.2.1 and JSF 2.0.

I have used filtering and paging in the datatable. When I try to filter the selected data is displayed and when i remove the filter the entire data is displayed. But after this when i try to use paging then suddendly all the rows becomes blank(empty) See screenshot below

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" 开发者_JAVA技巧/>
            </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 the same problem and eventually discovered it was caused by my value object (in this case your user object) not implementing Serializable.

I'm pretty sure that this known issue has been resolved in both the 2.2.RC and the 2.2 final. I suggest updating your jar file.