Class not found exception
Hi All,
I am novice to j2me, I am tryiing communicate data between client and Java server. I have used code in forums,I have given project name client and midlet class name FileViewer.java.
It is compiling succesfully
but when I run it , it is giving
Unable to create Midlet FileViewer.java
java.lang.classnot found excetption: FileViewer.java
at com.sun.midp.midlet.selector.commandaction(+47)
at javax.microedition.lcdui.Display$displayaccessor.commandaction.(+152)
at com.sun.kvem.midp.lcdui.EmulEventHandler$eventloop.run(+459)
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;
import java.io.*;
public class FileViewer extends MIDlet implements CommandListener
{
private Display display; // Reference to Display object
private TextBox tbViewer; // View file contents in a textbox
private Command cmView; // Command to view file
private Command cmExit; // Command to exit
private String url = "http://www.corej2me.com/midpbook_v1e1/scratch/fileViewer.hlp";
public FileViewer()
{
display = Display.getDisplay(this);
// Define commands
cmView = new Command("View", Command.SCREEN, 2);
cmExit = new Command("Exit", Command.EXIT, 1);
tbViewer = new TextBox("Viewer", "", 250, TextField.ANY);
tbViewer.addCommand(cmView);
tbViewer.addCommand(cmExit);
tbViewer.setCommandListener(this);
}
public void startApp()
{
display.setCurrent(tbViewer);
}
private void viewFile() throws IOException
{
HttpConnection http = null;
InputStream iStrm = null;
try
{
// Create the connection
http = (HttpConnection) Connector.open(url);
//-
// Client Request
//-
// 1) Send request method
http.setRequestMethod(HttpConnection.GET);
// 2) Send header information (this header is optional)
http.setRequestProperty("User-Agent", "Profile/MIDP-1.0 Configuration/CLDC-1.0");
// 3) Send body/data - No data for this request
//-
// Server Response
//-
// 1) Get status Line
System.out.println("Msg: " + http.getResponseMessage());
System.out.println("Code: " + http.getResponseCode());
// 2) Get header information
if (http.getResponseCode() == HttpConnection.HTTP_OK)
{
// 3) Get data (show the file contents)
iStrm = http.openInputStream();
int length = (int) http.getLength();
if (length > 0)
{
byte serverData[] = new byte[length];
iStrm.read(serverData);
tbViewer.setString(new String(serverData));
Alert alTest = new Alert("Alert Test", new String(serverData), null, null);
display.setCurrent(alTest);
}
}
}
finally
{
// Clean up
if (iStrm != null)
iStrm.close();
if (http != null)
http.close();
}
}
public void pauseApp()
{ }
public void destroyApp(boolean unconditional)
{ }
public void commandAction(Command c, Displayable s)
{
if (c == cmView)
{
try
{
viewFile();
}
catch (Exception e)
{
System.out.println(e.toString());
}
}
else if (c == cmExit)
{
destroyApp(false);
notifyDestroyed();
}
}
}
Can you please clarify. its urgent ,
Thanx.
