blob: 70b9c4228708d37b783133873ac3561b80c08b34 [file] [log] [blame]
<%
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
%>
<%@ page
contentType="text/html; charset=UTF-8"
import="javax.servlet.*"
import="javax.servlet.http.*"
import="java.io.*"
import="java.util.*"
import="org.apache.hadoop.http.HtmlQuoting"
import="org.apache.hadoop.mapred.*"
import="org.apache.hadoop.mapred.JSPUtil.JobWithViewAccessCheck"
import="org.apache.hadoop.mapreduce.TaskType"
import="org.apache.hadoop.util.*"
%>
<%! private static final long serialVersionUID = 1L;
%>
<%
JobTracker tracker = (JobTracker) application.getAttribute("job.tracker");
String trackerName =
StringUtils.simpleHostname(tracker.getJobTrackerMachine());
%>
<%!
private void printFailedAttempts(JspWriter out,
JobTracker tracker,
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.getTaskTrackerStatus(taskTrackerName);
out.print("<tr><td>" + statuses[i].getTaskID() +
"</td><td><a href=\"taskdetails.jsp?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("&nbsp;");
} else {
for(int j = 0 ; j < failures.length ; j++){
out.print(HtmlQuoting.quoteHtmlChars(failures[j]));
if (j < (failures.length - 1)) {
out.print("\n-------\n");
}
}
}
out.print("</pre></td>");
out.print("<td>");
String taskLogUrl = null;
if (taskTracker != null) {
taskLogUrl = TaskLogServlet.getTaskLogUrl(taskTracker.getHost(),
String.valueOf(taskTracker.getHttpPort()),
statuses[i].getTaskID().toString());
}
if (taskLogUrl != null) {
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,
JobInProgress job,
String kind,
String cause)
throws IOException, InterruptedException, ServletException {
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.getTasks(TaskType.MAP);
for(int i=0; i < tips.length; ++i) {
printFailedAttempts(out, tracker, tips[i], state);
}
}
if (includeReduce) {
TaskInProgress[] tips = job.getTasks(TaskType.REDUCE);
for(int i=0; i < tips.length; ++i) {
printFailedAttempts(out, tracker, tips[i], state);
}
}
out.print("</table>\n");
}
%>
<%
String jobId = request.getParameter("jobid");
if (jobId == null) {
out.println("<h2>Missing 'jobid'!</h2>");
return;
}
JobID jobIdObj = JobID.forName(jobId);
JobWithViewAccessCheck myJob = JSPUtil.checkAccessAndGetJob(
tracker, jobIdObj, request, response);
if (!myJob.isViewJobAllowed()) {
return; // user is not authorized to view this job
}
JobInProgress job = myJob.getJob();
if (job == null) {
out.print("<b>Job " + jobId + " not found.</b><br>\n");
return;
}
String kind = request.getParameter("kind");
String cause = request.getParameter("cause");
%>
<html>
<title>Hadoop <%=jobId%> failures on <%=trackerName%></title>
<body>
<h1>Hadoop <a href="jobdetails.jsp?jobid=<%=jobId%>"><%=jobId%></a>
failures on <a href="jobtracker.jsp"><%=trackerName%></a></h1>
<%
printFailures(out, tracker, job, kind, cause);
%>
<hr>
<a href="jobtracker.jsp">Go back to JobTracker</a><br>
<%
out.println(ServletUtil.htmlFooter());
%>