Class not found exception, can't track down.

<?page title="To Do List!!"?>
<?init class="org.zkoss.zkplus.databind.AnnotateDataBinderInit"?>

<window id="win" title="To Do tutorial" border="normal" width="500px"
	height="500px" apply="org.zktest.doa.EventController">

	<listbox id="box" multiple="true" rows="5" width="100%" 
	model="@{win$composer.allEvents, load-after='add.onClick, delete.onClick, update.onClick'}"
		selectedItem="@{win$composer.current}" >
		<listhead>
			<listheader label="Item" width="50%" ></listheader>
			<listheader label="Priority" width="25%"></listheader>
			<listheader label="Date" width="25%"></listheader>
		</listhead>
		<listitem self="@{each='event'}" value="@{event}" >
			<listcell label="@{event.name}" ></listcell>
			<listcell label="@{event.priority}"></listcell>
			<listcell lable="@{event.date}"></listcell>
		</listitem>
	</listbox>
	<groupbox>
		<caption label="Event"/>
		Item:<textbox id="name" cols="50" value="@{win$composer.current.name}"></textbox>
		Priority:<intbox id="priority" cols="1" value="@{win$composer.current.priority}"></intbox>
		Date:<datebox id="date" cols="8" value="@{win$composer.current.date}"></datebox>
		<button id="add" label="Add" height="36px" width="24px" />
		<button id="update" label="Update" height="48px" width="24px" />
		<button id="delete" label="Delete" height="48px" width="24px" />
	</groupbox>
</window>

package org.zktest.doa;

import java.util.List;
import java.util.UUID;

import org.zkoss.zk.ui.util.GenericAutowireComposer;
import org.zkoss.zul.Listbox;

public class EventController extends GenericAutowireComposer {
	EventDAO eventDAO = new EventDAO();
	ToDoEvent current = new ToDoEvent();
	private Listbox box;
	
	public List<ToDoEvent> getAllEvents() {
		return eventDAO.findAll();
	}
	
	public ToDoEvent getCurrent() {
		return current;
	}
	
	public void setCurrent(ToDoEvent current) {
		this.current = current;
	}
	
    public void onClick$add() {		
		// insert into database		
		System.out.println("Trying to add a new line");
    	ToDoEvent newEvt = new ToDoEvent(UUID.randomUUID().toString(), current.getName(),
			current.getPriority(), current.getDate());
		eventDAO.insert(newEvt);		
	}	
	public void onClick$update() {		
		if (box.getSelectedItem() != null) {
			// update database
			eventDAO.update((ToDoEvent) box.getSelectedItem().getValue());
		}
	}
	public void onClick$delete() {		
		if (box.getSelectedItem() != null) {
			eventDAO.delete((ToDoEvent) box.getSelectedItem().getValue());
		}
	}
	

}

package org.zktest.doa;

import java.util.List;
import java.util.UUID;

import org.zkoss.zk.ui.util.GenericAutowireComposer;
import org.zkoss.zul.Listbox;

public class EventController extends GenericAutowireComposer {
	EventDAO eventDAO = new EventDAO();
	ToDoEvent current = new ToDoEvent();
	private Listbox box;
	
	public List<ToDoEvent> getAllEvents() {
		return eventDAO.findAll();
	}
	
	public ToDoEvent getCurrent() {
		return current;
	}
	
	public void setCurrent(ToDoEvent current) {
		this.current = current;
	}
	
    public void onClick$add() {		
		// insert into database		
		System.out.println("Trying to add a new line");
    	ToDoEvent newEvt = new ToDoEvent(UUID.randomUUID().toString(), current.getName(),
			current.getPriority(), current.getDate());
		eventDAO.insert(newEvt);		
	}	
	public void onClick$update() {		
		if (box.getSelectedItem() != null) {
			// update database
			eventDAO.update((ToDoEvent) box.getSelectedItem().getValue());
		}
	}
	public void onClick$delete() {		
		if (box.getSelectedItem() != null) {
			eventDAO.delete((ToDoEvent) box.getSelectedItem().getValue());
		}
	}
	

}