📄 login.jsp
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<%@page import="org.apache.log4j.Logger"%>
<html>
<head>
<title>login</title>
</head>
<body>
<%
Logger myLogger = Logger.getLogger("myLogger");
Logger mySonLogger = Logger.getLogger("myLogger.mySonLogger");
myLogger.debug("Thie is a log message from the " + myLogger.getName());
myLogger.info("Thie is a log message from the " + myLogger.getName());
myLogger.warn("Thie is a log message from the " + myLogger.getName());
myLogger.error("Thie is a log message from the " + myLogger.getName());
myLogger.fatal("Thie is a log message from the " + myLogger.getName());
mySonLogger.debug("Thie is a log message from the " + mySonLogger.getName());
mySonLogger.info("Thie is a log message from the " + mySonLogger.getName());
mySonLogger.warn("Thie is a log message from the " + mySonLogger.getName());
mySonLogger.error("Thie is a log message from the " + mySonLogger.getName());
mySonLogger.fatal("Thie is a log message from the " + mySonLogger.getName());
%>
<br>
<form name="loginForm" method="post" action="dispatcher">
username: <input type="text" name="username">
<br>
password: <input type="text" name="password">
<br>
<input type="submit" name="submit" value="submit">
</form>
</body>
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