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Hi,
In the java program to output a GIF file, the following line causes an error
during run time.
GifEncoder encoder = new GifEncoder(image, out);
In my jserv.properties, I have included the the path for Acme classes as
follows.
wrapper.classpath=/usr/local/apache/libexec/ApacheJServ.jar
wrapper.classpath=/export/JSDK2.0/lib/jsdk.jar
wrapper.classpath=/export/JSDK2.0/lib/
wrapper.classpath=/export/Acme/
Do I need to do some other configuration for it to work.
My program is as follows:
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.awt.*;
import Acme.JPM.Encoders.GifEncoder;
public class grprog extends HttpServlet {
public void doGet (HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
Graphics g = null;
Frame frame = null;
ServletOutputStream out = res.getOutputStream();
try {
frame = new Frame();
frame.addNotify();
Image image = frame.createImage(400, 60);
g = image.getGraphics();
g.setFont(new Font("Serif", Font.ITALIC, 48));
g.drawString("Hello world!", 10, 50);
res.setContentType("image/gif");
GifEncoder encoder = new GifEncoder(image, out);
//encoder.encode(); // by commenting this line out, I don't get
any errors/exceptions at runtime
res.setContentType("text/html");
out.println("Hello2");
}
catch(Exception e){e.printStackTrace();}
}
}
Any help is appreciated....
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