会议室所属部门查询时，报错

Caused by: java.lang.IllegalStateException: The items are null. You need to set the items on the facade (or model).
at org.jmesa.facade.TableFacadeExceptions.validateItemsIsNotNull(TableFacadeExceptions.java:94)
at org.jmesa.facade.TableFacade.getCoreContext(TableFacade.java:651)
at org.jmesa.model.tag.TableModelTag.doTag(TableModelTag.java:561)
at org.apache.jsp.view.oa.meetingroom.list_jsp._jspService(list_jsp.java:236)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
at org.apache.jasper.runtime.PageContextImpl.doInclude(PageContextImpl.java:653)
at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:647)
at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:103)
... 105 more