package org.apache.hadoop.mapred;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import org.apache.hadoop.mapred.*;
import org.apache.hadoop.util.*;
public final class jobfailures_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private void printFailedAttempts(JspWriter out,
JobTracker tracker,
JobID jobId,
TaskInProgress tip,
TaskStatus.State failState) throws IOException {
TaskStatus[] statuses = tip.getTaskStatuses();
TaskID tipId = tip.getTIPId();
for(int i=0; i < statuses.length; ++i) {
TaskStatus.State taskState = statuses[i].getRunState();
if ((failState == null && (taskState == TaskStatus.State.FAILED ||
taskState == TaskStatus.State.KILLED)) || taskState == failState) {
String taskTrackerName = statuses[i].getTaskTracker();
TaskTrackerStatus taskTracker = tracker.getTaskTracker(taskTrackerName);
out.print("<tr><td>" + statuses[i].getTaskID() +
"</td><td><a href=\"taskdetails.jsp?jobid="+ jobId +
"&tipid=" + tipId + "\">" + tipId +
"</a></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>" + taskState + "</td>");
out.print("<td><pre>");
String[] failures =
tracker.getTaskDiagnostics(statuses[i].getTaskID());
if (failures == null) {
out.print(" ");
} else {
for(int j = 0 ; j < failures.length ; j++){
out.print(failures[j]);
if (j < (failures.length - 1)) {
out.print("\n-------\n");
}
}
}
out.print("</pre></td>");
out.print("<td>");
if (taskTracker != null) {
String taskLogUrl = "http://" + taskTracker.getHost() + ":" +
taskTracker.getHttpPort() + "/tasklog?taskid=" +
statuses[i].getTaskID();
String tailFourKBUrl = taskLogUrl + "&start=-4097";
String tailEightKBUrl = taskLogUrl + "&start=-8193";
String entireLogUrl = taskLogUrl;
out.print("<a href=\"" + tailFourKBUrl + "\">Last 4KB</a><br/>");
out.print("<a href=\"" + tailEightKBUrl + "\">Last 8KB</a><br/>");
out.print("<a href=\"" + entireLogUrl + "\">All</a><br/>");
} else {
out.print("n/a"); // task tracker was lost
}
out.print("</td>");
out.print("</tr>\n");
}
}
}
private void printFailures(JspWriter out,
JobTracker tracker,
JobID jobId,
String kind,
String cause) throws IOException {
JobInProgress job = (JobInProgress) tracker.getJob(jobId);
if (job == null) {
out.print("<b>Job " + jobId + " not found.</b><br>\n");
return;
}
boolean includeMap = false;
boolean includeReduce = false;
if (kind == null) {
includeMap = true;
includeReduce = true;
} else if ("map".equals(kind)) {
includeMap = true;
} else if ("reduce".equals(kind)) {
includeReduce = true;
} else if ("all".equals(kind)) {
includeMap = true;
includeReduce = true;
} else {
out.print("<b>Kind " + kind + " not supported.</b><br>\n");
return;
}
TaskStatus.State state = null;
try {
if (cause != null) {
state = TaskStatus.State.valueOf(cause.toUpperCase());
if (state != TaskStatus.State.FAILED && state != TaskStatus.State.KILLED) {
out.print("<b>Cause '" + cause +
"' is not an 'unsuccessful' state.</b><br>\n");
return;
}
}
} catch (IllegalArgumentException e) {
out.print("<b>Cause '" + cause + "' not supported.</b><br>\n");
return;
}
out.print("<table border=2 cellpadding=\"5\" cellspacing=\"2\">");
out.print("<tr><th>Attempt</th><th>Task</th><th>Machine</th><th>State</th>" +
"<th>Error</th><th>Logs</th></tr>\n");
if (includeMap) {
TaskInProgress[] tips = job.getMapTasks();
for(int i=0; i < tips.length; ++i) {
printFailedAttempts(out, tracker, jobId, tips[i], state);
}
}
if (includeReduce) {
TaskInProgress[] tips = job.getReduceTasks();
for(int i=0; i < tips.length; ++i) {
printFailedAttempts(out, tracker, jobId, tips[i], state);
}
}
out.print("</table>\n");
}
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=UTF-8");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write('\n');
out.write('\n');
JobTracker tracker = (JobTracker) application.getAttribute("job.tracker");
String trackerName =
StringUtils.simpleHostname(tracker.getJobTrackerMachine());
out.write('\n');
out.write('\n');
out.write('\n');
String jobId = request.getParameter("jobid");
if (jobId == null) {
out.println("<h2>Missing 'jobid'!</h2>");
return;
}
JobID jobIdObj = JobID.forName(jobId);
String kind = request.getParameter("kind");
String cause = request.getParameter("cause");
out.write("\n\n<html>\n<title>Hadoop ");
out.print(jobId);
out.write(" failures on ");
out.print(trackerName);
out.write("</title>\n<body>\n<h1>Hadoop <a href=\"jobdetails.jsp?jobid=");
out.print(jobId);
out.write('"');
out.write('>');
out.print(jobId);
out.write("</a>\nfailures on <a href=\"jobtracker.jsp\">");
out.print(trackerName);
out.write("</a></h1>\n\n");
printFailures(out, tracker, jobIdObj, kind, cause);
out.write("\n\n<hr>\n<a href=\"jobtracker.jsp\">Go back to JobTracker</a><br>\n");
out.println(ServletUtil.htmlFooter());
out.write('\n');
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}