p:dataTable onRowSelect - SelectEvent is null
<p>When I clik on my row in dataTable,argument selectEvent in my onRowSelect method is null, any ideas why???</p>

<p>form.xhtml file:</p>

<pre><code>&lt;h:form&gt;
        &lt;p:dataTable var="row"
                     value="#{backingBean.model}"
                     lazy="true"
                     rows="#{backingBean.model.getTablePageSize()}"
                     rowKey="#{row.id}"
                     rowsPerPageTemplate="#{loggedUserBean.getPageSizes()}"
                     paginator="true" paginatorPosition="bottom"
                     paginatorTemplate="{PreviousPageLink} {CurrentPageReport} {NextPageLink} {RowsPerPageDropdown}"
                     selection="#{backingBean.model.selectedRow}"
                     selectionMode="single"
                     emptyMessage="#{commonProperties.dataTableEmptyMessage}"
                     emptyMessagePosition="center"&gt;
            &lt;f:facet name="header"&gt;
                &lt;h:outputText value="#{properties.title}"/&gt;
            &lt;/f:facet&gt;

            &lt;p:ajax event="rowSelect"
                    listener="#{controller.onRowSelect(args)}"&gt;
            &lt;/p:ajax&gt;
</code></pre>

<p>controller method:</p>

<pre><code>public void onRowSelect(SelectEvent event) {
        Row row = (Row) event.getObject();
        getBackingBean().getModel().setSelectedRow(row);
        RequestContext.getCurrentInstance().execute("updateButtons();");
    }
</code></pre>