Dear all,
I got this error message when running a servlet on JWS1.1.3
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500 Internal Server Error
The servlet named "ValidasiLoginWC", at the requested URL
http://152.118.25.52:8080/servlet/login
reported this exception:
ValidasiLoginWC
The administrator of this web server should resolve this problem.
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And here is the complete code
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import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class LoginWebCourse extends HttpServlet
{
String user_id;
String user_pass;
String passwdDir;
public void init(ServletConfig config)
throws ServletException
{
super.init(config);
passwdDir = getInitParameter("resultsDir");
if (passwdDir == null) {
Enumeration initParams = getInitParameterNames();
System.err.println("The init parameters were: ");
while (initParams.hasMoreElements()) {
System.err.println(initParams.nextElement());
}
System.err.println("Should have seen one parameter name");
throw new UnavailableException (this,
"Not given a directory to write results!");
}
}
void message(String msg, HttpServletResponse res)
throws IOException {
res.setContentType("text/html");
PrintWriter toClient = res.getWriter();
toClient.println("<html>");
toClient.println("<title>" + "Pesan" + "</title>");
toClient.println(msg);
toClient.println("</html>");
// Close the writer; the response is done.
toClient.close();
}
public void doPost(HttpServletRequest req, HttpServletResponse
res)
throws ServletException, IOException
{
user_id =req.getParameterValues("user_id")[0];
user_pass =req.getParameterValues("user_pass")[0];
//Validasi Field Kosong
if(user_id == "" || user_pass == ""){
message("Isi yang bener dong...", res);
}
else{
ValidasiLoginWC vali = new
ValidasiLoginWC(user_id, user_pass, passwdDir);
message(vali.cekValid(), res);
}
}
}
class ValidasiLoginWC {
private String user_id;
private String user_pass;
private String file_pass;
ValidasiLoginWC(String a, String b, String c){
user_id = a;
user_pass = b;
file_pass = c + System.getProperty("file.separator") +
"passwd.txt";
}
String cekValid() throws IOException{
FileReader resultsFile = new FileReader(file_pass);
BufferedReader bufLine = new BufferedReader(resultsFile);
String line;
String token1, token2;
int found = 1;
while ((found != 2) && ((line = bufLine.readLine()) !=
null)){
StringTokenizer t = new StringTokenizer (line,
"|");
token1 = t.nextToken();
token2 = t.nextToken();
if (cekUser(token1)){
found = 2;
if(valid(token1, token2)){
return "Login OK";
}
else{
return "Password salah";
}
}
}
if (found == 1){
return "Nggak ada userid tsb";
}
return "";
}
boolean cekUser(String satu){
if(satu.equals(user_id)){
return true;
}
else{
return false;
}
}
boolean valid(String satu, String dua){
if( (satu.equals(user_id)) && (dua.equals(user_pass))){
return true;
}
else{
return false;
}
}
}
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I am wondering why, 'cause the error message didn't tell what is wrong
with that servlet.
Could anyone help me ?
Thank you in advance.
Regards,
Ika Alfina
------------------------------------------------------------------
Ika Alfina ([EMAIL PROTECTED])
Dept. of Computer Science * You are what you think >:->
University of Indonesia * You feel what you want :-)
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