org.apache.hadoop.mapred
Class TaskLogServlet

java.lang.Object
  extended by javax.servlet.GenericServlet
      extended by javax.servlet.http.HttpServlet
          extended by org.apache.hadoop.mapred.TaskLogServlet
All Implemented Interfaces:
Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class TaskLogServlet
extends javax.servlet.http.HttpServlet

A servlet that is run by the TaskTrackers to provide the task logs via http.

See Also:
Serialized Form

Constructor Summary
TaskLogServlet()
           
 
Method Summary
 void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
          Get the logs via http.
static String getTaskLogUrl(String taskTrackerHostName, String httpPort, String taskAttemptID)
          Construct the taskLogUrl
 
Methods inherited from class javax.servlet.http.HttpServlet
doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service
 
Methods inherited from class javax.servlet.GenericServlet
destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TaskLogServlet

public TaskLogServlet()
Method Detail

getTaskLogUrl

public static String getTaskLogUrl(String taskTrackerHostName,
                                   String httpPort,
                                   String taskAttemptID)
Construct the taskLogUrl

Parameters:
taskTrackerHostName -
httpPort -
taskAttemptID -
Returns:
the taskLogUrl

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.ServletException,
                  IOException
Get the logs via http.

Overrides:
doGet in class javax.servlet.http.HttpServlet
Throws:
javax.servlet.ServletException
IOException


Copyright © 2009 The Apache Software Foundation