source: proiecte/HadoopJUnit/hadoop-0.20.1/build/src/org/apache/hadoop/mapred/jobblacklistedtrackers_jsp.java @ 120

Last change on this file since 120 was 120, checked in by (none), 14 years ago

Added the mail files for the Hadoop JUNit Project
  • Property svn:executable set to *
File size: 3.7 KB
Line 
1package org.apache.hadoop.mapred;
2
3import javax.servlet.*;
4import javax.servlet.http.*;
5import javax.servlet.jsp.*;
6import javax.servlet.*;
7import javax.servlet.http.*;
8import java.io.*;
9import java.util.*;
10import org.apache.hadoop.mapred.*;
11import org.apache.hadoop.util.*;
12
13public final class jobblacklistedtrackers_jsp extends org.apache.jasper.runtime.HttpJspBase
14    implements org.apache.jasper.runtime.JspSourceDependent {
15
16       
17  private void printBlackListedTrackers(JspWriter out, 
18                             JobInProgress job) throws IOException {
19    Map<String, Integer> trackerErrors = job.getTaskTrackerErrors();
20    out.print("<table border=2 cellpadding=\"5\" cellspacing=\"2\">");
21    out.print("<tr><th>TaskTracker</th><th>No. of Failures</th></tr>\n");
22    int maxErrorsPerTracker = job.getJobConf().getMaxTaskFailuresPerTracker();
23    for (Map.Entry<String,Integer> e : trackerErrors.entrySet()) {
24      if (e.getValue().intValue() >= maxErrorsPerTracker) {
25        out.print("<tr><td>" + e.getKey() + "</td><td>" + e.getValue() + 
26            "</td></tr>\n");
27      }
28    }
29    out.print("</table>\n");
30  }
31
32  private static java.util.List _jspx_dependants;
33
34  public Object getDependants() {
35    return _jspx_dependants;
36  }
37
38  public void _jspService(HttpServletRequest request, HttpServletResponse response)
39        throws java.io.IOException, ServletException {
40
41    JspFactory _jspxFactory = null;
42    PageContext pageContext = null;
43    HttpSession session = null;
44    ServletContext application = null;
45    ServletConfig config = null;
46    JspWriter out = null;
47    Object page = this;
48    JspWriter _jspx_out = null;
49    PageContext _jspx_page_context = null;
50
51
52    try {
53      _jspxFactory = JspFactory.getDefaultFactory();
54      response.setContentType("text/html; charset=UTF-8");
55      pageContext = _jspxFactory.getPageContext(this, request, response,
56                        null, true, 8192, true);
57      _jspx_page_context = pageContext;
58      application = pageContext.getServletContext();
59      config = pageContext.getServletConfig();
60      session = pageContext.getSession();
61      out = pageContext.getOut();
62      _jspx_out = out;
63
64      out.write('\n');
65      out.write('\n');
66
67  JobTracker tracker = (JobTracker) application.getAttribute("job.tracker");
68  String trackerName = 
69           StringUtils.simpleHostname(tracker.getJobTrackerMachine());
70
71      out.write('\n');
72      out.write('\n');
73      out.write('\n');
74
75    String jobId = request.getParameter("jobid");
76    if (jobId == null) {
77          out.println("<h2>Missing 'jobid' for fetching black-listed tasktrackers!</h2>");
78          return;
79    }
80   
81    JobInProgress job = (JobInProgress) tracker.getJob(JobID.forName(jobId));
82    if (job == null) {
83      out.print("<b>Job " + jobId + " not found.</b><br>\n");
84      return;
85    }
86
87      out.write("\n\n<html>\n<title>Hadoop ");
88      out.print(jobId);
89      out.write("'s black-listed tasktrackers</title>\n<body>\n<h1>Hadoop <a href=\"jobdetails.jsp?jobid=");
90      out.print(jobId);
91      out.write('"');
92      out.write('>');
93      out.print(jobId);
94      out.write("</a> - \nBlack-listed task-trackers</h1>\n\n");
95 
96    printBlackListedTrackers(out, job); 
97
98      out.write("\n\n<hr>\n<a href=\"jobdetails.jsp?jobid=");
99      out.print(jobId);
100      out.write("\">Go back to ");
101      out.print(jobId);
102      out.write("</a><br>\n");
103
104out.println(ServletUtil.htmlFooter());
105
106      out.write('\n');
107    } catch (Throwable t) {
108      if (!(t instanceof SkipPageException)){
109        out = _jspx_out;
110        if (out != null && out.getBufferSize() != 0)
111          out.clearBuffer();
112        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
113      }
114    } finally {
115      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
116    }
117  }
118}
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