[chiefbutz]

I am getting a "Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException" error, and I need some help. I have tried everything I could think of, and it won't fix it.

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
	at AbstractGame.refreshWindow(AbstractGame.java:20)
	at ChessGame.actionMove(ChessGame.java:293)
	at SquareClick.actionPerformed(SquareClick.java:27)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.JToggleButton$ToggleButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)

public abstract class AbstractGame {

	public abstract void RunGame(windowControler win);
	protected abstract void display();
	protected abstract boolean tryMove();
	protected abstract boolean clearMovePath(int curY, int curX, int newY, int newX);
	protected abstract void getMoveInfo();
	protected abstract void actionMove();
	
	protected void switchPlayers() {
		if(player == 1)
			player = 2;
		else
			player = 1;
	}
	
	protected void refreshWindow() {
		//try {
			win.refresh(GB.Display(this));
		//}
		//catch(Exception e) {System.out.println("DEBUGGING: Error on window refresh");}
	}
	
	protected int cY = 111, cX = 111, nY = 111, nX = 111; // some stupid number so I know it isn't set
	protected int player = 1; // Defaults to 1
	GameBoard GB;
	boolean CheckMate = false;
	boolean castle = false;
	protected boolean exitGame;
	protected windowControler win;
	boolean hasJumps;
}

actionMove from ChessGame.java

protected void actionMove() {
		if(tryMove() & !CheckMate) {
			switchPlayers();
		}
		this.refreshWindow();
	}

import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JOptionPane;


public class SquareClick implements ActionListener {

	public SquareClick(AbstractGame game, int x, int y) {
		this.x = x;
		this.y = y;
		myGame = game;
	}
	public void actionPerformed(ActionEvent e) {
		if(myGame.cX == 111 & myGame.cY == 111 & myGame.nX == 111 & myGame.nY == 111) { // Empty values, set initial
			myGame.cX = this.x;
			myGame.cY = this.y;
			//JOptionPane.showOptionDialog(frame, "First cood!", "HELLO!", 
			//		JOptionPane.OK_OPTION,JOptionPane.INFORMATION_MESSAGE, null, null, e);
		}
		else if(myGame.cX != 111 & myGame.cY != 111 & myGame.nX == 111 & myGame.nY == 111) { // set the new location
			myGame.nX = this.x;
			myGame.nY = this.y;
			JOptionPane.showOptionDialog(frame, myGame.cX + " " + myGame.cY + " " + myGame.nX + " " + myGame.nY, "HELLO!", 
					JOptionPane.OK_OPTION,JOptionPane.QUESTION_MESSAGE, null, null, e);
			myGame.actionMove();
			myGame.cX = 111;
			myGame.cY = 111;
			myGame.nX = 111;
			myGame.nX = 111;
			//myGame.refreshWindow();
		}
	}
	protected int x, y;
	AbstractGame myGame;
	Frame frame = new Frame();

}