<% /* * 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.util.*" %> <%! private static final long serialVersionUID = 1L; %> <% JobTracker tracker = (JobTracker) application.getAttribute( "job.tracker"); String trackerName = StringUtils.simpleHostname(tracker.getJobTrackerMachine()); %> <%! private void printBlackListedTrackers(JspWriter out, JobInProgress job) throws IOException { Map trackerErrors = job.getTaskTrackerErrors(); out.print(""); out.print("\n"); int maxErrorsPerTracker = job.getJobConf().getMaxTaskFailuresPerTracker(); for (Map.Entry e : trackerErrors.entrySet()) { if (e.getValue().intValue() >= maxErrorsPerTracker) { out.print("\n"); } } out.print("

TaskTracker	No. of Failures
" + HtmlQuoting.quoteHtmlChars(e.getKey()) + "	" + e.getValue() + "

\n"); } %> <% String jobId = request.getParameter("jobid"); if (jobId == null) { out.println("

Missing 'jobid' for fetching black-listed tasktrackers!

"); return; } JobWithViewAccessCheck myJob = JSPUtil.checkAccessAndGetJob(tracker, JobID.forName(jobId), request, response); if (!myJob.isViewJobAllowed()) { return; // user is not authorized to view this job } JobInProgress job = myJob.getJob(); if (job == null) { out.print("Job " + jobId + " not found.
\n"); return; } %> Hadoop <%=jobId%>'s black-listed tasktrackers

Hadoop <%=jobId%> - Black-listed task-trackers

<% printBlackListedTrackers(out, job); %>

Go back to <%=jobId%>
<% out.println(ServletUtil.htmlFooter()); %>