private void printFailures( JspWriter out, JobTracker tracker, JobID jobId, String kind, String cause) throws IOException { JobInProgress job = (JobInProgress) tracker.getJob(jobId); if (job == null) { out.print("<b>Job " + jobId + " not found.</b><br>\n"); return; } 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, jobId, tips[i], state); } } if (includeReduce) { TaskInProgress[] tips = job.getTasks(TaskType.REDUCE); for (int i = 0; i < tips.length; ++i) { printFailedAttempts(out, tracker, jobId, tips[i], state); } } out.print("</table>\n"); }