| <% |
| /* |
| * 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<String, Integer> trackerErrors = job.getTaskTrackerErrors(); |
| out.print("<table border=2 cellpadding=\"5\" cellspacing=\"2\">"); |
| out.print("<tr><th>TaskTracker</th><th>No. of Failures</th></tr>\n"); |
| int maxErrorsPerTracker = job.getJobConf().getMaxTaskFailuresPerTracker(); |
| for (Map.Entry<String,Integer> e : trackerErrors.entrySet()) { |
| if (e.getValue().intValue() >= maxErrorsPerTracker) { |
| out.print("<tr><td>" + HtmlQuoting.quoteHtmlChars(e.getKey()) + |
| "</td><td>" + e.getValue() + "</td></tr>\n"); |
| } |
| } |
| out.print("</table>\n"); |
| } |
| %> |
| |
| <% |
| String jobId = request.getParameter("jobid"); |
| if (jobId == null) { |
| out.println("<h2>Missing 'jobid' for fetching black-listed tasktrackers!</h2>"); |
| 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("<b>Job " + jobId + " not found.</b><br>\n"); |
| return; |
| } |
| %> |
| |
| <html> |
| <title>Hadoop <%=jobId%>'s black-listed tasktrackers</title> |
| <body> |
| <h1>Hadoop <a href="jobdetails.jsp?jobid=<%=jobId%>"><%=jobId%></a> - |
| Black-listed task-trackers</h1> |
| |
| <% |
| printBlackListedTrackers(out, job); |
| %> |
| |
| <hr> |
| <a href="jobdetails.jsp?jobid=<%=jobId%>">Go back to <%=jobId%></a><br> |
| <% |
| out.println(ServletUtil.htmlFooter()); |
| %> |
