PermGen error

commons-beanutils.jar
commons-collections.jar
jstl.jar
spring-core.jar
spring-webmvc.jar
spring.jar
standard.jar
tiles-api-2.0.6.jar
tiles-core-2.0.6.jar
tiles-jsp-2.0.6.jar

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans 
                           http://www.springframework.org/schema/beans/spring-beans.xsd
                           http://www.springframework.org/schema/context 
                           http://www.springframework.org/schema/context/spring-context.xsd">
 
 
 
    <context:component-scan base-package="com.annotations.controller" />
    <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>
 
    <!-- Enables plain Controllers -->
    <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter" />
 
    <bean id="tilesConfigurer" class="org.springframework.web.servlet.view.tiles2.TilesConfigurer">
        <property name="definitions">
	    <list>
		<value>/WEB-INF/tiles-defs/templates.xml</value>
	    </list>
	</property>
    </bean>
 
    <bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver">
	<property name="viewClass" value="org.springframework.web.servlet.view.tiles2.TilesView"/>
    </bean>                
</beans>

<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app version="2.4"
		 xmlns="http://java.sun.com/xml/ns/j2ee"
		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		 xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
 
	<display-name>Spring Dynamic Lists Example</display-name>
 
 
	<servlet>
		<servlet-name>dynamiclists</servlet-name>
        	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        	<load-on-startup>1</load-on-startup>
	</servlet>
 
	<servlet-mapping>
    		<servlet-name>dynamiclists</servlet-name>
    		<url-pattern>*.page</url-pattern>
    	</servlet-mapping>
 
 
</web-app>

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE tiles-definitions PUBLIC
       "-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
       "http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
 
<tiles-definitions>
 
	<definition name="form.view" template="/pages/form.jsp">
	</definition>
 
	<definition name="formStudentInsert.view" template="/pages/formStudentInsert.jsp">
	</definition>
 
	<definition name="formResult.view" template="/pages/formResult.jsp">
	</definition>
 
</tiles-definitions>

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib uri="http://www.springframework.org/tags" prefix="spring" %>
 
<script type="text/javascript" src="/dynamiclists/js/jquery-1.3.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
	var studentPosition = 0;
	$("#addStudentButton").click(function() {
		studentPosition++;
 
		$.get("<%=request.getContextPath()%>/appendStudentView.page", { fieldId: studentPosition},
			function(data){
				$("#submitRow").before(data);
		});
	});
});
</script>
 
<form:form method="post" name="classForm" id="classForm" commandName="classCommand">
	<table>
		<tr>
			<td>Class Name:</td>
			<td colspan="2"><form:input path="className" size="40" /></td>
		</tr>
		<tr>
			<td colspan="3"><strong>Students</strong></td>
		</tr>
		<tr>
			<td>Student name</td>
			<td>
				<spring:bind path="classCommand.students[0].studentName">
					<form:input path="${status.expression}" size="40" />
	  			</spring:bind>
			</td>
			<td><input type="button" id="addStudentButton" value="Add" /></td>
		</tr>
		<tr id="submitRow">
			<td>&nbsp;</td>
			<td><input type="submit" value="Save Class" /></td>
		</tr>
	</table>
</form:form>

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib uri="http://www.springframework.org/tags" prefix="spring" %>
 
<tr>
	<td>&nbsp;</td>
	<td>
		<form:input path="classCommand.students[${studentNumber}].studentName" size="40" />
	</td>
	<td>&nbsp;</td>
</tr>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
 
<h2>Class ${savedClass.className}</h2>
 
<p>Students</p>
 
<ul>
	<c:forEach var="student" items="${savedClass.students}">
		<li>${student.studentName}</li>
	</c:forEach>
</ul>

/**
 * @author Eggsy - eggsy _at_ eggsylife.co.uk
 *
 */
public class Student{
	private String studentName = null;
 
	public String getStudentName() {
		return studentName;
	}
 
	public void setStudentName(String studentName) {
		this.studentName = studentName;
	}
 
}

import org.springframework.util.AutoPopulatingList;
 
/**
 * @author Eggsy - eggsy _at_ eggsylife.co.uk
 *
 */
public class ClassCommand {
	private String className = null;
	private AutoPopulatingList students = null;
 
 
	public String getClassName() {
		return className;
	}
 
	public void setClassName(String className) {
		this.className = className;
	}
 
	public AutoPopulatingList getStudents() {
		return students;
	}
 
	public void setStudents(AutoPopulatingList students) {
		this.students = students;
	}
}

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.util.AutoPopulatingList;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
 
import com.annotations.command.ClassCommand;
import com.annotations.command.Student;
 
 
/**
 * @author Eggsy - eggsy _at_ eggsylife.co.uk
 */
@Controller
public class ClassFormController
{
 
	@ModelAttribute("classCommand")
    	public ClassCommand getClassCommand()
    	{
		ClassCommand classCommand = new ClassCommand();
		classCommand.setStudents(new AutoPopulatingList(Student.class));
		return classCommand;
    	}
 
	/**
	 * <p>Called when the form is initially displayed</p>
	 * @param model
	 * @return
	 */
	@RequestMapping(method = RequestMethod.GET, value="/processClassForm.page")
	protected String showNameForm(ModelMap model)
	{	
		return "form.view";
	}
 
	/**
	 * <p>Called when the user clicks the add button</p>
	 * @param fieldId
	 * @param model
	 * @return
	 */
	@RequestMapping(method = RequestMethod.GET, value="/appendStudentView.page")
	protected String appendStudentField(@RequestParam Integer fieldId, ModelMap model)
	{	
		model.addAttribute("studentNumber", fieldId);
		return "formStudentInsert.view";
	}
 
	/**
	 * <p>Called when the user finally submits the class form</p>
	 * @param classCommand
	 * @param model
	 * @return
	 */
	@RequestMapping(method = RequestMethod.POST, value="/processClassForm.page")
	protected String onSubmit( @ModelAttribute("classCommand") ClassCommand classCommand,  ModelMap model )
	{
		model.addAttribute("savedClass", classCommand);
		return "formResult.view";
	}
 
}