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PORegarding logs configuration for servlet
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  1. PORegarding logs configuration for servlet
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    copied!<p>I am developing an application , I want to configure the log4j as I want separate logging to be done for my project also so that a separate log file is created .. below is the pic of my project please click on the url to see it..<a href="http://imageshack.us/photo/my-images/402/11979537.jpg/" rel="nofollow">snapshot of the project structure</a> Now here is the servlet</p> <pre><code>package com.saral; import java.io.IOException; import org.apache.log4j.Logger; import org.apache.log4j.PropertyConfigurator; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; /** * Servlet implementation class First */ //@WebServlet("/First") public class MyServlet extends HttpServlet { private static final long serialVersionUID = 1L; static final Logger logger = Logger.getLogger(MyServlet.class); /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PropertyConfigurator.configure("log4j.properties"); logger.info("before----&gt;"); // TODO Auto-generated method stub String name=request.getParameter("txtName"); response.setContentType("text/html"); PrintWriter out=response.getWriter(); out.println("Hello,"+name); out.println("&lt;br&gt; this output is generated by a simple servlet."); out.println("Total Number of users logged in---&gt;"+request.getSession().getServletContext().getAttribute("sessionCount")); out.close(); }} </code></pre> <p>and the structure of the web.xml is </p> <pre><code> &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"&gt; &lt;display-name&gt;FirstDemo&lt;/display-name&gt; &lt;servlet&gt; &lt;servlet-name&gt;hello&lt;/servlet-name&gt; &lt;servlet-class&gt;com.saral.MyServlet&lt;/servlet-class&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;hello&lt;/servlet-name&gt; &lt;url-pattern&gt;/helloServlet&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;welcome-file-list&gt; &lt;welcome-file&gt;home.html&lt;/welcome-file&gt; &lt;/welcome-file-list&gt; &lt;listener&gt; &lt;listener-class&gt;com.saral.SessionCounter&lt;/listener-class&gt; &lt;/listener&gt; &lt;/web-app&gt; </code></pre> <p>but upon running the application on tomcat it shows the following error..</p> <pre><code> INFO: Server startup in 888 ms log4j:ERROR Could not read configuration file [log4j.properties]. java.io.FileNotFoundException: log4j.properties (The system cannot find the file specified) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.&lt;init&gt;(Unknown Source) at java.io.FileInputStream.&lt;init&gt;(Unknown Source) at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:306) at org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:324) at com.saral.MyServlet.doGet(MyServlet.java:29) at javax.servlet.http.HttpServlet.service(HttpServlet.java:621) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) log4j:ERROR Ignoring configuration file [log4j.properties]. </code></pre> <p>Please advise how to generate the separate logs, please advise</p>
 

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