org.apache.hadoop.mapred
Class TaskLogServlet
java.lang.Object
javax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.apache.hadoop.mapred.TaskLogServlet
- All Implemented Interfaces:
- java.io.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
Method Summary |
void |
doGet(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response)
Get the logs via http. |
static java.lang.String |
getTaskLogUrl(java.lang.String taskTrackerHostName,
java.lang.String httpPort,
java.lang.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 |
TaskLogServlet
public TaskLogServlet()
getTaskLogUrl
public static java.lang.String getTaskLogUrl(java.lang.String taskTrackerHostName,
java.lang.String httpPort,
java.lang.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,
java.io.IOException
- Get the logs via http.
- Overrides:
doGet
in class javax.servlet.http.HttpServlet
- Throws:
javax.servlet.ServletException
java.io.IOException
Copyright © 2009 The Apache Software Foundation