[120] | 1 | <%@ page |
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| 2 | contentType="text/html; charset=UTF-8" |
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| 3 | import="javax.servlet.*" |
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| 4 | import="javax.servlet.http.*" |
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| 5 | import="java.io.*" |
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| 6 | import="java.util.*" |
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| 7 | import="org.apache.hadoop.mapred.*" |
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| 8 | import="org.apache.hadoop.util.*" |
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| 9 | %> |
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| 10 | |
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| 11 | <% |
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| 12 | JobTracker tracker = (JobTracker) application.getAttribute("job.tracker"); |
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| 13 | String trackerName = |
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| 14 | StringUtils.simpleHostname(tracker.getJobTrackerMachine()); |
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| 15 | %> |
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| 16 | <%! |
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| 17 | private void printFailedAttempts(JspWriter out, |
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| 18 | JobTracker tracker, |
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| 19 | JobID jobId, |
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| 20 | TaskInProgress tip, |
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| 21 | TaskStatus.State failState) throws IOException { |
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| 22 | TaskStatus[] statuses = tip.getTaskStatuses(); |
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| 23 | TaskID tipId = tip.getTIPId(); |
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| 24 | for(int i=0; i < statuses.length; ++i) { |
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| 25 | TaskStatus.State taskState = statuses[i].getRunState(); |
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| 26 | if ((failState == null && (taskState == TaskStatus.State.FAILED || |
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| 27 | taskState == TaskStatus.State.KILLED)) || taskState == failState) { |
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| 28 | String taskTrackerName = statuses[i].getTaskTracker(); |
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| 29 | TaskTrackerStatus taskTracker = tracker.getTaskTracker(taskTrackerName); |
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| 30 | out.print("<tr><td>" + statuses[i].getTaskID() + |
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| 31 | "</td><td><a href=\"taskdetails.jsp?jobid="+ jobId + |
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| 32 | "&tipid=" + tipId + "\">" + tipId + |
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| 33 | "</a></td>"); |
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| 34 | if (taskTracker == null) { |
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| 35 | out.print("<td>" + taskTrackerName + "</td>"); |
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| 36 | } else { |
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| 37 | out.print("<td><a href=\"http://" + taskTracker.getHost() + ":" + |
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| 38 | taskTracker.getHttpPort() + "\">" + taskTracker.getHost() + |
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| 39 | "</a></td>"); |
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| 40 | } |
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| 41 | out.print("<td>" + taskState + "</td>"); |
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| 42 | out.print("<td><pre>"); |
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| 43 | String[] failures = |
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| 44 | tracker.getTaskDiagnostics(statuses[i].getTaskID()); |
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| 45 | if (failures == null) { |
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| 46 | out.print(" "); |
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| 47 | } else { |
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| 48 | for(int j = 0 ; j < failures.length ; j++){ |
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| 49 | out.print(failures[j]); |
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| 50 | if (j < (failures.length - 1)) { |
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| 51 | out.print("\n-------\n"); |
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| 52 | } |
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| 53 | } |
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| 54 | } |
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| 55 | out.print("</pre></td>"); |
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| 56 | |
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| 57 | out.print("<td>"); |
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| 58 | String taskLogUrl = null; |
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| 59 | if (taskTracker != null) { |
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| 60 | taskLogUrl = TaskLogServlet.getTaskLogUrl(taskTracker.getHost(), |
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| 61 | String.valueOf(taskTracker.getHttpPort()), |
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| 62 | statuses[i].getTaskID().toString()); |
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| 63 | } |
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| 64 | if (taskLogUrl != null) { |
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| 65 | String tailFourKBUrl = taskLogUrl + "&start=-4097"; |
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| 66 | String tailEightKBUrl = taskLogUrl + "&start=-8193"; |
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| 67 | String entireLogUrl = taskLogUrl; |
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| 68 | out.print("<a href=\"" + tailFourKBUrl + "\">Last 4KB</a><br/>"); |
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| 69 | out.print("<a href=\"" + tailEightKBUrl + "\">Last 8KB</a><br/>"); |
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| 70 | out.print("<a href=\"" + entireLogUrl + "\">All</a><br/>"); |
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| 71 | } else { |
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| 72 | out.print("n/a"); // task tracker was lost |
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| 73 | } |
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| 74 | out.print("</td>"); |
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| 75 | |
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| 76 | out.print("</tr>\n"); |
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| 77 | } |
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| 78 | } |
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| 79 | } |
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| 80 | |
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| 81 | private void printFailures(JspWriter out, |
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| 82 | JobTracker tracker, |
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| 83 | JobID jobId, |
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| 84 | String kind, |
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| 85 | String cause) throws IOException { |
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| 86 | JobInProgress job = (JobInProgress) tracker.getJob(jobId); |
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| 87 | if (job == null) { |
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| 88 | out.print("<b>Job " + jobId + " not found.</b><br>\n"); |
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| 89 | return; |
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| 90 | } |
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| 91 | |
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| 92 | boolean includeMap = false; |
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| 93 | boolean includeReduce = false; |
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| 94 | if (kind == null) { |
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| 95 | includeMap = true; |
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| 96 | includeReduce = true; |
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| 97 | } else if ("map".equals(kind)) { |
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| 98 | includeMap = true; |
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| 99 | } else if ("reduce".equals(kind)) { |
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| 100 | includeReduce = true; |
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| 101 | } else if ("all".equals(kind)) { |
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| 102 | includeMap = true; |
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| 103 | includeReduce = true; |
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| 104 | } else { |
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| 105 | out.print("<b>Kind " + kind + " not supported.</b><br>\n"); |
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| 106 | return; |
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| 107 | } |
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| 108 | |
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| 109 | TaskStatus.State state = null; |
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| 110 | try { |
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| 111 | if (cause != null) { |
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| 112 | state = TaskStatus.State.valueOf(cause.toUpperCase()); |
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| 113 | if (state != TaskStatus.State.FAILED && state != TaskStatus.State.KILLED) { |
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| 114 | out.print("<b>Cause '" + cause + |
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| 115 | "' is not an 'unsuccessful' state.</b><br>\n"); |
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| 116 | return; |
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| 117 | } |
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| 118 | } |
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| 119 | } catch (IllegalArgumentException e) { |
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| 120 | out.print("<b>Cause '" + cause + "' not supported.</b><br>\n"); |
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| 121 | return; |
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| 122 | } |
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| 123 | |
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| 124 | out.print("<table border=2 cellpadding=\"5\" cellspacing=\"2\">"); |
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| 125 | out.print("<tr><th>Attempt</th><th>Task</th><th>Machine</th><th>State</th>" + |
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| 126 | "<th>Error</th><th>Logs</th></tr>\n"); |
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| 127 | if (includeMap) { |
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| 128 | TaskInProgress[] tips = job.getMapTasks(); |
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| 129 | for(int i=0; i < tips.length; ++i) { |
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| 130 | printFailedAttempts(out, tracker, jobId, tips[i], state); |
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| 131 | } |
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| 132 | } |
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| 133 | if (includeReduce) { |
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| 134 | TaskInProgress[] tips = job.getReduceTasks(); |
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| 135 | for(int i=0; i < tips.length; ++i) { |
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| 136 | printFailedAttempts(out, tracker, jobId, tips[i], state); |
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| 137 | } |
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| 138 | } |
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| 139 | out.print("</table>\n"); |
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| 140 | } |
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| 141 | %> |
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| 142 | |
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| 143 | <% |
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| 144 | String jobId = request.getParameter("jobid"); |
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| 145 | if (jobId == null) { |
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| 146 | out.println("<h2>Missing 'jobid'!</h2>"); |
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| 147 | return; |
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| 148 | } |
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| 149 | JobID jobIdObj = JobID.forName(jobId); |
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| 150 | String kind = request.getParameter("kind"); |
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| 151 | String cause = request.getParameter("cause"); |
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| 152 | %> |
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| 153 | |
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| 154 | <html> |
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| 155 | <title>Hadoop <%=jobId%> failures on <%=trackerName%></title> |
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| 156 | <body> |
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| 157 | <h1>Hadoop <a href="jobdetails.jsp?jobid=<%=jobId%>"><%=jobId%></a> |
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| 158 | failures on <a href="jobtracker.jsp"><%=trackerName%></a></h1> |
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| 159 | |
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| 160 | <% |
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| 161 | printFailures(out, tracker, jobIdObj, kind, cause); |
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| 162 | %> |
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| 163 | |
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| 164 | <hr> |
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| 165 | <a href="jobtracker.jsp">Go back to JobTracker</a><br> |
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| 166 | <% |
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| 167 | out.println(ServletUtil.htmlFooter()); |
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| 168 | %> |
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