📄 jobtaskshistory.jsp
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<%@ page contentType="text/html; charset=UTF-8" import="javax.servlet.http.*" import="java.io.*" import="java.util.*" import="org.apache.hadoop.mapred.*" import="org.apache.hadoop.util.*" import="java.text.SimpleDateFormat" import="org.apache.hadoop.mapred.JobHistory.*"%><jsp:include page="loadhistory.jsp"> <jsp:param name="jobid" value="<%=request.getParameter("jobid") %>"/> <jsp:param name="jobTrackerId" value="<%=request.getParameter("jobTrackerId") %>"/></jsp:include><%! private static SimpleDateFormat dateFormat = new SimpleDateFormat("d/MM HH:mm:ss") ; %><% String jobid = request.getParameter("jobid"); String jobTrackerId = request.getParameter("jobTrackerId"); String taskStatus = request.getParameter("status"); String taskType = request.getParameter("taskType"); JobHistory.JobInfo job = (JobHistory.JobInfo)request.getSession().getAttribute("job"); Map<String, JobHistory.Task> tasks = job.getAllTasks(); %><html><body><h2><%=taskStatus%> <%=taskType %> task list for <a href="jobdetailshistory.jsp?jobid=<%=jobid%>&&jobTrackerId=<%=jobTrackerId %>"><%=jobid %> </a></h2><center><table border="2" cellpadding="5" cellspacing="2"><tr><td>Task Id</td><td>Start Time</td><td>Finish Time<br/></td><td>Error</td></tr><% for( JobHistory.Task task : tasks.values() ) { if( taskType.equals(task.get(Keys.TASK_TYPE) ) ){ if( taskStatus.equals(task.get(Keys.TASK_STATUS)) || taskStatus.equals("all")){ printTask(jobid, jobTrackerId, task, out); } } }%></table><%! private void printTask(String jobid, String trackerId, JobHistory.Task task, JspWriter out) throws IOException{ out.print("<tr>"); out.print("<td>" + "<a href=\"taskdetailshistory.jsp?jobid=" + jobid + "&jobTrackerId="+ trackerId +"&taskid="+task.get(Keys.TASKID)+"\">" + task.get(Keys.TASKID) + "</a></td>"); out.print("<td>" + StringUtils.getFormattedTimeWithDiff(dateFormat, task.getLong(Keys.START_TIME), 0 ) + "</td>"); out.print("<td>" + StringUtils.getFormattedTimeWithDiff(dateFormat, task.getLong(Keys.FINISH_TIME), task.getLong(Keys.START_TIME) ) + "</td>"); out.print("<td>" + task.get(Keys.ERROR) + "</td>"); out.print("</tr>"); }%></center></body></html>⌨️ 快捷键说明
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