📄 taskdetails.jsp

📁 hadoop:Nutch集群平台
💻 JSP
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<%@ page  contentType="text/html; charset=UTF-8"  import="javax.servlet.*"  import="javax.servlet.http.*"  import="java.io.*"  import="java.lang.String"  import="java.util.*"  import="org.apache.hadoop.mapred.*"  import="org.apache.hadoop.util.*"  import="java.text.SimpleDateFormat"    import="org.apache.hadoop.util.*"%><%! static SimpleDateFormat dateFormat = new SimpleDateFormat("d-MMM-yyyy HH:mm:ss") ; %><%  String jobid = request.getParameter("jobid");  JobTracker tracker = JobTracker.getTracker();  JobInProgress job = (JobInProgress) tracker.getJob(jobid);  String tipid = request.getParameter("taskid");  TaskStatus[] ts = (job != null) ? tracker.getTaskStatuses(jobid, tipid): null;%><html><title>Hadoop Task Details</title><body><h1>Job <%=jobid%></h1><hr><h2>All Task Attempts</h2><center><%	if( ts.length == 0 ) {%>		<h3>No Task Attempts found</h3><%	}else{%><table border=2 cellpadding="5" cellspacing="2"><tr><td align="center">Task Attempts</td><td>Machine</td><td>Status</td><td>Progress</td><td>Start Time</td>   <%	if( ! ts[0].getIsMap() ) {   %><td>Shuffle Finished</td><td>Sort Finished</td>  <%	}  %><td>Finish Time</td><td>Errors</td></tr>  <%    for (int i = 0; i < ts.length; i++) {      TaskStatus status = ts[i];      String taskTrackerName = status.getTaskTracker();      TaskTrackerStatus taskTracker = tracker.getTaskTracker(taskTrackerName);      out.print("<tr><td>" + status.getTaskId() + "</td>");      if (taskTracker == null) {        out.print("<td>" + taskTrackerName + "</td>");      } else {        out.print("<td><a href=\"http://" + taskTracker.getHost() + ":" +                  taskTracker.getHttpPort() + "\">" +  taskTracker.getHost() +                   "</a></td>");      }      out.print("<td>" + status.getRunState() + "</td>");      out.print("<td>"+ StringUtils.formatPercent(status.getProgress(),2) +                 "</td>");      out.print("<td>" + StringUtils.getFormattedTimeWithDiff(dateFormat,            status.getStartTime(), 0) + "</td>");      if( ! ts[i].getIsMap() ) {	      out.print("<td>" + StringUtils.getFormattedTimeWithDiff(dateFormat, 	          status.getShuffleFinishTime(), status.getStartTime()) + "</td>");	      out.println("<td>" + StringUtils.getFormattedTimeWithDiff(dateFormat, 	          status.getSortFinishTime(), status.getShuffleFinishTime()) + "</td>");      }      out.println("<td>"+ StringUtils.getFormattedTimeWithDiff(dateFormat,           status.getFinishTime(), status.getStartTime()) + "</td>");            out.print("<td><pre>");      List<String> failures = tracker.getTaskDiagnostics(jobid, tipid,                                                         status.getTaskId());      if (failures == null) {        out.print("&nbsp;");      } else {        for(Iterator<String> itr = failures.iterator(); itr.hasNext(); ) {          out.print(itr.next());          if (itr.hasNext()) {            out.print("\n-------\n");          }        }      }      out.print("</pre></td>");      out.print("</tr>\n");    }  }  %></table></center><hr><a href="/jobdetails.jsp?jobid=<%=jobid%>">Go back to the job</a><br><a href="/jobtracker.jsp">Go back to JobTracker</a><br><a href="http://lucene.apache.org/hadoop">Hadoop</a>, 2006.<br></body></html>
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