_jspx_out = out;
HMaster master = (HMaster)getServletContext().getAttribute(HMaster.MASTER);
HBaseConfiguration conf = new HBaseConfiguration();
TableFormatter formatter = new HtmlTableFormatter(out);
ShowCommand show = new ShowCommand(out, formatter, "tables");
HServerAddress rootLocation = master.getRootRegionLocation();
Map<Text, MetaRegion> onlineRegions = master.getOnlineMetaRegions();
Map<String, HServerInfo> serverToServerInfos =
master.getServersToServerInfo();