Servlet Context Log : Log « Servlet « Java Tutorial






import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class MyServlet extends HttpServlet {
   
  private ServletContext context;

  public void init(ServletConfig config) throws ServletException  {
    super.init(config);
    context = getServletContext();
    context.log("Init has been invoked");
  }

  public void doGet (HttpServletRequest req, HttpServletResponse res) throws IOException
  {
    ServletOutputStream out = res.getOutputStream();
    context.log("doGet has now been invoked");
    res.setContentType("text/html");
    out.println("<html><head><title>Logging Servlet</title></head>");
    out.println("<body>Visit the <tomcat-home>\\logs and open the xx file to see the log entries");
    out.println("</body></html>");
  }
}
<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">

<web-app>
    <servlet><servlet-name>MyServletName</servlet-name>
             <servlet-class>MyServlet</servlet-class>

             
    </servlet>
    
    <servlet-mapping><servlet-name>MyServletName</servlet-name>
        <url-pattern>/index.html</url-pattern>
    </servlet-mapping>
</web-app>
  Download:  ServletContextLog.zip( 88 k)








25.26.Log
25.26.1.Servlet Log Filter
25.26.2.Servlet Context Log