问Java找不到符号

EN

C:\Users\Dan\Documents\DanJavaGen\ClientApplet.java:20: cannot find symbol
symbol  : method printStrackTrace()
location: class java.lang.Exception
e.printStrackTrace();
 ^
1 error

Tool completed with exit code 1

import java.io.*;
import java.applet.Applet;
import java.net.*;
import java.awt.*;
import java.util.*;

public class ClientApplet extends Applet {
public void init() {
Socket s = null;

try {
//s = new Socket(getParameter("host"), Integer.valueOf(getParameter("port")));
s = new Socket("localhost", 4444);
InputStream in = s.getInputStream();
int buf = -1;
while ((buf = in.read()) != '.') {
System.out.print((char)buf);
}
}catch(Exception e) {
e.printStrackTrace();
}
finally {
try {
    s.close();
    } catch(IOException e)
    { }
}



}
}