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I haven't tried this kind of thing, but if what you say is true, then it
seems that 'xhost + <username>' should work too.
-Steve
Richard Hallier wrote:
>
> ----------------------------------------------------------------
> BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> WHEN YOU POST, include all relevant version numbers, log files,
> and configuration files. Don't make us guess your problem!!!
> ----------------------------------------------------------------
>
> I've already known this problem. You have to extend access permissions of
> the X Server to the user running Apache JServ. As far I am concerned,
> setting DISPLAY didn't solve the problem, by default it sould be right. To
> correctly understand the problem, if you run the xserver with the user
> myuser (startx), and then you run manualy JServ with the same user, it
> should be ok.
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Ásta Herdís
> Hall
> Sent: lundi 24 janvier 2000 18:44
> To: [EMAIL PROTECTED]
> Subject: Problems with images in servlets (classes not found)
>
> Hello,
>
> I am new to servlets and Apache JServ. I am running ApacheJServ-1.1b3 and
> Apache_1.3.9 on Redhat Linux 6.1. My version of jdk is Blackdown jdk1.2.2
> release 3. I have got the configuration working fine for plain servlets,
> such as the Hello servlet, and also it works fine for servlets which connect
> to a mysql database.
>
> However, my problems start when I am going to output an image to the
> webpage. The following program which doesn't do anything else than
> creating an image, but it still fails.
>
> import java.io.*;
> import java.sql.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
>
> import java.awt.*;
> import sun.awt.*;
> import sun.awt.motif.*;
> import sun.awt.motif.MToolkit;
>
> public class chartTst extends HttpServlet
> {
> public void init(ServletConfig conf) throws ServletException
> {
> super.init(conf);
> Frame sourceFrame = new Frame();
> sourceFrame.addNotify();
> Image im = sourceFrame.createImage(100,100);
> Graphics g = im.getGraphics();
> g.drawString("Hello",50,50);
> }
> }
>
> The error it generates in the jserv.log is as follows
> [24/01/2000 17:25:27:458 GMT+00:00] <servletException>
> java.lang.NoClassDefFoundError: sun/awt/motif/MToolkit
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java, Compiled Code)
> at java.awt.Toolkit$2.run(Toolkit.java, Compiled Code)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.awt.Toolkit.getDefaultToolkit(Toolkit.java, Compiled Code)
> at java.awt.Window.getToolkit(Window.java, Compiled Code)
> at java.awt.Frame.addNotify(Frame.java, Compiled Code)
> at chartTst.init(chartTst.java, Compiled Code)
> at
> org.apache.jserv.JServServletManager.load_init(JServServletManager.java,
> Compiled Code)
> at
> org.apache.jserv.JServServletManager.loadServlet(JServServletManager.java,
> Compiled Code)
> at
> org.apache.jserv.JServConnection.processRequest(JServConnection.java,
> Compiled Code)
> at org.apache.jserv.JServConnection.run(JServConnection.java,
> Compiled Code)
> at java.lang.Thread.run(Thread.java, Compiled Code)
>
> The class sun/awt/motif/MToolkit is in the rt.jar (java runtime) and I have
> put it in the wrapper.classpath in jserv.properties, but nothing works.
>
> I have also had the following error
> <servletException> java.lang.InternalError: Can't connect to X11 window
> server using ':0.0' as the value of the DISPLAY variable.
>
> Does anyone know what the value of the DISPLAY variable should be?!
>
> I really hope that someone can help me with this problem. I have read the
> faq through several times without any luck and I have also scanned the
> mailing list with the same result.
>
> Thank you,
> Ásta
>
> --
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drank
gin straight from the bottle." - Garrison Keillor
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