anchor.diff:                  <th>Region</th>
                   <th>Table</th>
                   <th>RegionState</th>
  -                <th>Server</th>
                   <th>Procedure</th>
                   <th>ProcedureState</th>
  -                <th>Start Time</th>
  -                <th>Duration (ms)</th>
               </tr>
               <% for (RegionStateNode regionStateNode : rit) { %>
               <tr>
                   <td><%= regionStateNode.getRegionInfo().getEncodedName() %></td>
                   <td><%= regionStateNode.getRegionInfo().getTable() %></td>
                   <td><%= regionStateNode.getState() %></td>
  -                <td><%= regionStateNode.getRegionLocation().getServerName() %></td>
                   <%
                       TransitRegionStateProcedure procedure = regionStateNode.getProcedure();
   
  
positive.code:         </p>
      </div>
  </div>
  <% } %>
  
negative.code:          import="static org.apache.commons.lang3.StringEscapeUtils.escapeXml"
           import="java.util.Collections"
           import="java.util.Comparator"
           import="java.util.List"
           import="java.util.stream.Collectors"
           import="org.apache.hadoop.hbase.master.HMaster"
           import="org.apache.hadoop.hbase.master.assignment.RegionStateNode"
           import="org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure"
  %>
  <%
      HMaster master = (HMaster) getServletContext().getAttribute(HMaster.MASTER);
  