Logger new config : Log « Servlets « Java

Logger new config

//Log4j from Apache is required

import org.apache.log4j.Logger;

import javax.servlet.*;
import javax.servlet.http.*;

public class LoggerNewConfig extends HttpServlet {

  private Logger log = null;

  public void init() {

    log = Logger.getLogger(LoggerNewConfig.class);

    log.info("LoggerNewConfig started.");

  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, java.io.IOException {

    //display a DEBUG level message
    log.debug("Sending a DEBUG message");

    // display an INFO level message
    log.info("Sending an INFO message");

    //better display some HTML
    java.io.PrintWriter out = response.getWriter();
    out.println("<html><head><title>Servlet logging</title></head><body>");
       ("<h2>Hello from a Logger with its own configuration in the log4j.properties file</h2>");
    out.println("Your logger name is: " + log.getName() + "<br>");
    out.println("Your logger parent is: " + log.getParent().getName()
        + "<br>");
  } //end doGet

  public void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, java.io.IOException {

    doGet(request, response);


Related examples in the same category

1.Servlets Logging Filter Demo
2.Logging Filter
3.Context log
4.Logger without configure file
5.Logger Servlet
6.Another logger servlet
7.Servlet: Root logger
8.Session logger
9.LoggerSkel for Servlet
10.Context logger
11.Log Filter
12.Log in ServletContext
13.Servlet Logging