Can MB deal with heat using ext. display with MB closed

I intend to buy a cinema display and keep my macbook closed while working.
Can the macbook handle the heat? Or do i need to use a laptopcooler? If so any advice on what to buy?
MacBook Mac OS X (10.4.7)

Hi.
That link is only for the PowerBook G4 and MacBook Pro.
It says on the MacBook's tech specs that it supports closed-lid operation, but I don't see how that's possible. The MacBook's air intake is the keyboard, so once the lid is closed there is no longer any way for cool air to pass through it. And, the MacBook goes to sleep when you close it. But, if the specs say it's possible, then I guess it is somehow.
It would be nice to know how to do this.
-Eric

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amr35 wrote:
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KRe: Zen Vision M Firmware Problem!!! Can't deal with this thing any more..._
menios wrote:
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Start here:
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field : a b c
a.txt c:/a.txt adsfs
b.txt c:/b.txt asdfsf
c.txt c:/c.txt asfdsf
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the results display:
The file: b.txt has not been registered
The file: c://b.txt appears OK
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I want to do is to only shows the results of 'The file: c://b.txt appears OK'. I know the problem is the body of while(rs.next).
is there any best way to conform to my demand
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String url="jdbc:odbc:MD5";
Connection connection=DriverManager.getConnection(url);
Statement statement = connection.createStatement();
String sql="SELECT * FROM MD5";
ResultSet rs = statement.executeQuery(sql);
while (rs.next()) {
if (file.getName().equals(rs.getString("a")))
if (file.getPath().equals(rs.getString("b")))
if (m.equals(rs.getString("c")))
jTextArea2.append("The file: " + file.getPath() +"appears OK"+"\n");
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rs.close();
connection.close();
}

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Mike

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* @(#)JavaMailServlet.java 1.3 99/12/06
* Copyright 1998, 1999 Sun Microsystems, Inc. All Rights Reserved.
* This software is the proprietary information of Sun Microsystems, Inc.
* Use is subject to license terms.
import java.io.*;
import java.util.*;
import java.text.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
* This is a servlet that demonstrates the use of JavaMail APIs
* in a 3-tier application. It allows the user to login to an
* IMAP store, list all the messages in the INBOX folder, view
* selected messages, compose and send a message, and logout.
* 
* Please note: This is NOT an example of how to write servlets!
* This is simply to show that JavaMail can be used in a servlet.
* 
* For more information on this servlet, see the
* JavaMailServlet.README.txt file.
* 
* For more information on servlets, see
* * http://java.sun.com/products/java-server/servlets/index.html
* @author Max Spivak
public class JavaMailServlet extends HttpServlet implements SingleThreadModel {
String protocol = "POP3";
String mbox = "INBOX";
* This method handles the "POST" submission from two forms: the
* login form and the message compose form. The login form has the
* following parameters: <code>hostname</code>, <code>username</code>,
* and <code>password</code>. The <code>send</code> parameter denotes
* that the method is processing the compose form submission.
public void doPost(HttpServletRequest req, HttpServletResponse res)
 throws ServletException, IOException {
// get the session
 HttpSession ssn = req.getSession(true);
 String send = req.getParameter("send");
String host = req.getParameter("hostname");
String user = req.getParameter("username");
String passwd = req.getParameter("password");
URLName url = new URLName(protocol, host, -1, mbox, user, passwd);
ServletOutputStream out = res.getOutputStream();
 res.setContentType("text/html");
 out.println("<html><body bgcolor=\"#CCCCFF\">");
 if (send != null) {
 // process message sending
 send(req, res, out, ssn);
 } else {
 // initial login
 // create
 MailUserData mud = new MailUserData(url);
 ssn.putValue("javamailservlet", mud);
 try {
 Properties props = System.getProperties();
 System.out.println("url");
 props.put("mail.smtp.host", host);
 Session session = Session.getDefaultInstance(props, null);
 session.setDebug(false);
 Store store = session.getStore(url);
 store.connect();
 Folder folder = store.getDefaultFolder();
 if (folder == null)
 throw new MessagingException("No default folder");
 folder = folder.getFolder(mbox);
 if (folder == null)
 throw new MessagingException("Invalid folder");
 folder.open(Folder.READ_WRITE);
 int totalMessages = folder.getMessageCount();
 Message[] msgs = folder.getMessages();
 FetchProfile fp = new FetchProfile();
 fp.add(FetchProfile.Item.ENVELOPE);
 folder.fetch(msgs, fp);
 // track who logged in
 System.out.println("Login from: " + store.getURLName());
 // save stuff into MUD
 mud.setSession(session);
 mud.setStore(store);
 mud.setFolder(folder);
 // splash
 out.print("<center>");
 out.print("");
 out.println("Welcome to JavaMail!</center>");
 // folder table
 out.println("<table width=\"50%\" border=0 align=center>");
 // folder name column header
 out.print("<tr><td width=\"75%\" bgcolor=\"#ffffcc\">");
 out.print("");
 out.println("FolderName</td> ");
 // msg count column header
 out.print("<td width=\"25%\" bgcolor=\"#ffffcc\">");
 out.print("");
 out.println("Messages</td> ");
 out.println("</tr>");
 // folder name
 out.print("<tr><td width=\"75%\" bgcolor=\"#ffffff\">");
 out.print("<a href=\"" + HttpUtils.getRequestURL(req) + "\">" +
 "Inbox" + "</a></td> ");
 // msg count
 out.println("<td width=\"25%\" bgcolor=\"#ffffff\">" +
 totalMessages + "</td>");
 out.println("</tr>");
 out.println("</table");
 } catch (Exception ex) {
 out.println(ex.toString());
 } finally {
 out.println("</body></html>");
 out.close();
* This method handles the GET requests for the client.
public void doGet (HttpServletRequest req, HttpServletResponse res)
 throws ServletException, IOException {
HttpSession ses = req.getSession(false); // before we write to out
ServletOutputStream out = res.getOutputStream();
 MailUserData mud = getMUD(ses);
 if (mud == null) {
 res.setContentType("text/html");
 out.println("<html><body>Please Login (no session)</body></html>");
 out.close();
 return;
 if (!mud.getStore().isConnected()) {
 res.setContentType("text/html");
 out.println("<html><body>Not Connected To Store</body></html>");
 out.close();
 return;
 // mux that takes a GET request, based on parameters figures
 // out what it should do, and routes it to the
 // appropriate method
 // get url parameters
 String msgStr = req.getParameter("message");
String logout = req.getParameter("logout");
 String compose = req.getParameter("compose");
 String part = req.getParameter("part");
 int msgNum = -1;
 int partNum = -1;
 // process url params
 if (msgStr != null) {
 // operate on message "msgStr"
 msgNum = Integer.parseInt(msgStr);
 if (part == null) {
 // display message "msgStr"
res.setContentType("text/html");
 displayMessage(mud, req, out, msgNum);
 } else if (part != null) {
 // display part "part" in message "msgStr"
 partNum = Integer.parseInt(part);
displayPart(mud, msgNum, partNum, out, res);
 } else if (compose != null) {
 // display compose form
 compose(mud, res, out);
} else if (logout != null) {
 // process logout
try {
mud.getFolder().close(false);
mud.getStore().close();
 ses.invalidate();
out.println("<html><body>Logged out OK</body></html>");
} catch (MessagingException mex) {
out.println(mex.toString());
 } else {
 // display headers
 displayHeaders(mud, req, out);
/* main method to display messages */
private void displayMessage(MailUserData mud, HttpServletRequest req,
 ServletOutputStream out, int msgNum)
 throws IOException {
 out.println("<html>");
out.println("<HEAD><TITLE>JavaMail Servlet</TITLE></HEAD>");
 out.println("<BODY bgcolor=\"#ccccff\">");
 out.print("<center>");
 out.println("Message " + (msgNum+1) + " in folder " +
 mud.getStore().getURLName() +
 "/INBOX</center>");
 try {
 Message msg = mud.getFolder().getMessage(msgNum);
 // first, display this message's headers
 displayMessageHeaders(mud, msg, out);
 // and now, handle the content
 Object o = msg.getContent();
 //if (o instanceof String) {
 if (msg.isMimeType("text/plain")) {
 out.println("<pre>");
 out.println((String)o);
 out.println("</pre>");
 //} else if (o instanceof Multipart){
 } else if (msg.isMimeType("multipart/*")) {
 Multipart mp = (Multipart)o;
 int cnt = mp.getCount();
 for (int i = 0; i < cnt; i++) {
 displayPart(mud, msgNum, mp.getBodyPart(i), i, req, out);
 } else {
 out.println(msg.getContentType());
 } catch (MessagingException mex) {
 out.println(mex.toString());
 out.println("</BODY></html>");
 out.close();
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private void displayPart(MailUserData mud, int msgNum, Part part,
 int partNum, HttpServletRequest req,
 ServletOutputStream out)
 throws IOException {
 if (partNum != 0)
 out.println("<hr>");
try {
 String sct = part.getContentType();
 if (sct == null) {
 out.println("invalid part");
 return;
 ContentType ct = new ContentType(sct);
 if (partNum != 0)
 out.println("Attachment Type: " +
 ct.getBaseType() + " ");
 if (ct.match("text/plain")) {
 // display text/plain inline
 out.println("<pre>");
 out.println((String)part.getContent());
 out.println("</pre>");
 } else {
 // generate a url for this part
 String s;
 if ((s = part.getFileName()) != null)
 out.println("Filename: " + s + " ");
 s = null;
 if ((s = part.getDescription()) != null)
 out.println("Description: " + s + " ");
 out.println("<a href=\"" +
 HttpUtils.getRequestURL(req) +
 "?message=" +
 msgNum + "&part=" +
 partNum + "\">Display Attachment</a>");
 } catch (MessagingException mex) {
 out.println(mex.toString());
* This method gets the stream from for a given msg part and
* pushes it out to the browser with the correct content type.
* Used to display attachments and relies on the browser's
* content handling capabilities.
private void displayPart(MailUserData mud, int msgNum,
 int partNum, ServletOutputStream out,
 HttpServletResponse res)
 throws IOException {
 Part part = null;
try {
 Message msg = mud.getFolder().getMessage(msgNum);
 Multipart mp = (Multipart)msg.getContent();
 part = mp.getBodyPart(partNum);
 String sct = part.getContentType();
 if (sct == null) {
 out.println("invalid part");
 return;
 ContentType ct = new ContentType(sct);
 res.setContentType(ct.getBaseType());
 InputStream is = part.getInputStream();
 int i;
 while ((i = is.read()) != -1)
 out.write(i);
 out.flush();
 out.close();
 } catch (MessagingException mex) {
 out.println(mex.toString());
* This is a utility message that pretty-prints the message
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private void displayMessageHeaders(MailUserData mud, Message msg,
 ServletOutputStream out)
 throws IOException {
 try {
 out.println("Date: " + msg.getSentDate() + " ");
Address[] fr = msg.getFrom();
if (fr != null) {
boolean tf = true;
out.print("From: ");
for (int i = 0; i < fr.length; i++) {
out.print(((tf) ? " " : ", ") + getDisplayAddress(fr));
tf = false;
out.println(" ");
Address[] to = msg.getRecipients(Message.RecipientType.TO);
if (to != null) {
boolean tf = true;
out.print("To: ");
for (int i = 0; i < to.length; i++) {
out.print(((tf) ? " " : ", ") + getDisplayAddress(to[i]));
tf = false;
out.println(" ");
Address[] cc = msg.getRecipients(Message.RecipientType.CC);
if (cc != null) {
boolean cf = true;
out.print("CC: ");
for (int i = 0; i < cc.length; i++) {
out.print(((cf) ? " " : ", ") + getDisplayAddress(cc[i]));
 cf = false;
out.println(" ");
 out.print("Subject: " +
 ((msg.getSubject() !=null) ? msg.getSubject() : "") +
 " ");
} catch (MessagingException mex) {
 out.println(msg.toString());
* This method displays the URL's for the available commands and the
* INBOX headerlist
private void displayHeaders(MailUserData mud,
 HttpServletRequest req,
ServletOutputStream out)
 throws IOException {
SimpleDateFormat df = new SimpleDateFormat("EE M/d/yy");
out.println("<html>");
out.println("<HEAD><TITLE>JavaMail Servlet</TITLE></HEAD>");
 out.println("<BODY bgcolor=\"#ccccff\"><hr>");
 out.print("<center>");
 out.println("Folder " + mud.getStore().getURLName() +
 "/INBOX</center>");
 // URL's for the commands that are available
 out.println("");
out.println("<a href=\"" +
 HttpUtils.getRequestURL(req) +
 "?logout=true\">Logout</a>");
out.println("<a href=\"" +
 HttpUtils.getRequestURL(req) +
 "?compose=true\" target=\"compose\">Compose</a>");
 out.println("");
 out.println("<hr>");
 // List headers in a table
out.print("<table cellpadding=1 cellspacing=1 "); // table
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 out.println("<tr><td width=\"25%\" bgcolor=\"ffffcc\">");
 out.println("");
 out.println("Sender</td>");
 // date column header
 out.println("<td width=\"15%\" bgcolor=\"ffffcc\">");
 out.println("");
 out.println("Date</td>");
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 out.println("<td bgcolor=\"ffffcc\">");
 out.println("");
 out.println("Subject</td></tr>");
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 int msgCount = f.getMessageCount();
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m = f.getMessage(i);
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 if (m.isSet(Flags.Flag.DELETED))
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out.print("<td width=\"25%\" bgcolor=\"ffffff\">");
 out.println("" +
 ((m.getFrom() != null) ?
 m.getFrom()[0].toString() :
 "" ) +
 "</td>");
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 out.println("" +
df.format((m.getSentDate()!=null) ?
 m.getSentDate() : m.getReceivedDate()) +
 "</td>");
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out.print("<td bgcolor=\"ffffff\">");
 out.println("" +
 "<a href=\"" +
 HttpUtils.getRequestURL(req) +
"?message=" +
i + "\">" +
((m.getSubject() != null) ?
 m.getSubject() :
 "No Subject") +
"</a>" +
"</td>");
out.println("</tr>");
 } catch (MessagingException mex) {
 out.println("<tr><td>" + mex.toString() + "</td></tr>");
 mex.printStackTrace();
 out.println("</table>");
 out.println("</BODY></html>");
 out.flush();
 out.close();
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private void compose(MailUserData mud, HttpServletResponse res,
 ServletOutputStream out)
 throws IOException {
 res.setContentType("text/html");
 out.println(composeForm);
 out.close();
* This method processes the send request from the compose form
private void send(HttpServletRequest req, HttpServletResponse res,
 ServletOutputStream out, HttpSession ssn)
 throws IOException {
String to = req.getParameter("to");
 String cc = req.getParameter("cc");
 String subj = req.getParameter("subject");
 String text = req.getParameter("text");
 try {
 MailUserData mud = getMUD(ssn);
 if (mud == null)
 throw new Exception("trying to send, but not logged in");
 Message msg = new MimeMessage(mud.getSession());
 InternetAddress[] toAddrs = null, ccAddrs = null;
 if (to != null) {
 toAddrs = InternetAddress.parse(to, false);
 msg.setRecipients(Message.RecipientType.TO, toAddrs);
 } else
 throw new MessagingException("No \"To\" address specified");
 if (cc != null) {
 ccAddrs = InternetAddress.parse(cc, false);
 msg.setRecipients(Message.RecipientType.CC, ccAddrs);
 if (subj != null)
 msg.setSubject(subj);
 URLName u = mud.getURLName();
 msg.setFrom(new InternetAddress(u.getUsername() + "@" +
 u.getHost()));
 if (text != null)
 msg.setText(text);
 Transport.send(msg);
 out.println("<h1>Message sent successfully</h1></body></html>");
 out.close();
 } catch (Exception mex) {
 out.println("<h1>Error sending message.</h1>");
 out.println(mex.toString());
 out.println(" </body></html>");
// utility method; returns a string suitable for msg header display
private String getDisplayAddress(Address a) {
String pers = null;
String addr = null;
if (a instanceof InternetAddress &&
((pers = ((InternetAddress)a).getPersonal()) != null)) {
 addr = pers + " "+"<"+((InternetAddress)a).getAddress()+">";
} else
addr = a.toString();
return addr;
// utility method; retrieve the MailUserData
// from the HttpSession and return it
private MailUserData getMUD(HttpSession ses) throws IOException {
 MailUserData mud = null;
 if (ses == null) {
 return null;
 } else {
 if ((mud = (MailUserData)ses.getValue("javamailservlet")) == null){
 return null;
 return mud;
public String getServletInfo() {
return "A mail reader servlet";
* This is the HTML code for the compose form. Another option would
* have been to use a separate html page.
private static String composeForm = "<HTML><HEAD><TITLE>JavaMail Compose</TITLE></HEAD><BODY BGCOLOR=\"#CCCCFF\"><FORM ACTION=\"/servlet/JavaMailServlet\" METHOD=\"POST\"><input type=\"hidden\" name=\"send\" value=\"send\">JavaMail Compose Message<TABLE BORDER=\"0\" WIDTH=\"100%\"><TR><TD WIDTH=\"16%\" HEIGHT=\"22\"> To:</TD><TD WIDTH=\"84%\" HEIGHT=\"22\"><INPUT TYPE=\"TEXT\" NAME=\"to\" SIZE=\"30\"> (separate addresses with commas)</TD></TR><TR><TD WIDTH=\"16%\">CC:</TD><TD WIDTH=\"84%\"><INPUT TYPE=\"TEXT\" NAME=\"cc\" SIZE=\"30\"> (separate addresses with commas)</TD></TR><TR><TD WIDTH=\"16%\">Subject:</TD><TD WIDTH=\"84%\"><INPUT TYPE=\"TEXT\" NAME=\"subject\" SIZE=\"55\"></TD></TR><TR><TD WIDTH=\"16%\"> </TD><TD WIDTH=\"84%\"><TEXTAREA NAME=\"text\" ROWS=\"15\" COLS=\"53\"></TEXTAREA></TD></TR><TR><TD WIDTH=\"16%\" HEIGHT=\"32\"> </TD><TD WIDTH=\"84%\" HEIGHT=\"32\"><INPUT TYPE=\"SUBMIT\" NAME=\"Send\" VALUE=\"Send\"><INPUT TYPE=\"RESET\" NAME=\"Reset\" VALUE=\"Reset\"></TD></TR></TABLE></FORM></BODY></HTML>";
* This class is used to store session data for each user's session. It
* is stored in the HttpSession.
class MailUserData {
URLName url;
Session session;
Store store;
Folder folder;
public MailUserData(URLName urlname) {
 url = urlname;
public URLName getURLName() {
 return url;
public Session getSession() {
 return session;
public void setSession(Session s) {
 session = s;
public Store getStore() {
 return store;
public void setStore(Store s) {
 store = s;
public Folder getFolder() {
 return folder;
public void setFolder(Folder f) {
 folder = f;

You posted a thousand lines of badly-formatted code and didn't have the sense to say which one had the exception.
My guess is that it was this one:Session session = Session.getDefaultInstance(props, null);because that happened to me. I fixed it by calling getInstance instead of getDefaultInstance.
However if that isn't the problem, how about spending a few seconds to post a less useless question?

Can Java deal with Roman characters correctly ?

I am making a Java programme to insert some Roman characters such as TUV (multibyte) to Oracle8.1.7 database .
Database character set is JA16EUC .
As soon as I inserted those letters into the database , the letters will become ??? , why ?
As I have used a Oracle8i tool named nativa2ascii to make similar transmition , but failed ?
So I'd say , Java presently (SDK1.3.1) cannot deal with this situation , right ?
Thank you for your great kindness !

I don't want to uncompress the file.
The idea of dealing with a compressed file is to hopefully save overhead that reading a big file has. I want to manipulate the data internaly without uncompressing the file. I can do it with a zip file but my 15M text file become 2M with zip and 96K with rar file. A huge difference.

Can MB deal with heat using ext. display with MB closed

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