<rich:popupPanel id="addOffice" modal="true" onmaskclick="#{rich:component('addOffice')}.hide()" autosized="true">
								 <f:facet name="header">
           							 <h:outputText value="Costs control system // Добавить офис" />
       							 </f:facet>
        						 <f:facet name="controls">
            								<h:outputLink value="#" onclick="#{rich:component('addOffice')}.hide(); return false;">X</h:outputLink>
        						 </f:facet>
						         <p align="center">Добавить офис</p>
						         <h:form id="uploadForm" enctype="multipart/form-data">

								     		<h:outputLabel value="Загрузка иконки:" for="download"/>
								     		<t:inputFileUpload id="download" value="#{upload.uploadedFile}" required="true" />
								     		<h:message for="download" style="color: red;" />
								     		
								     		<h:commandButton value="Загрузка" action="#{upload.submit}"/>
								     		<h:message for="uploadForm" infoStyle="color: green;" errorStyle="color: red;" />

						         </h:form>
			</rich:popupPanel>

SEVERE: javax.faces.FacesException: Cannot create a session after the response has been committed
javax.faces.FacesException: Cannot create a session after the response has been committed
 и т.д........