[Wlug] Newbie to mailing list- Issue with the generation ofgraphsinredhat6.2
Sudhaker P
perams27@hotmail.com
Tue, 05 Nov 2002 09:14:36 -0600
Hi Marc,
Thanks once again.
I tried installing Xvfb but I'm getting the error message:
Xlib: Connection "localhost:1" refused by the server
Xlib: Client is not authorized to connect to the server
xhost:Unable to open display "localhost:1".
I'd appreciate your sugestions on this issue.
Thanks,
Peram
>From: "Marc Hughes" <HughesM@tomsnyder.com>
>Reply-To: wlug@mail.wlug.org
>To: <wlug@mail.wlug.org>
>Subject: RE: [Wlug] Newbie to mailing list- Issue with the generation
>ofgraphsinredhat6.2
>Date: Wed, 30 Oct 2002 15:04:48 -0500
>
>Yup
>
>I believe it's on the RedHat CD's.
>
>-Marc
>
>-----Original Message-----
>From: Sudhaker P [mailto:perams27@hotmail.com]
>Sent: Wednesday, October 30, 2002 2:49 PM
>To: wlug@mail.wlug.org
>Subject: RE: [Wlug] Newbie to mailing list- Issue with the generation
>ofgraphsinredhat6.2
>
>
>Hi Marc,
>Is Xvfb a software that I can download and install?
>
>-Sudhakar
>
>
>
>
>
>
> >From: "Marc Hughes" <HughesM@tomsnyder.com>
> >Reply-To: wlug@mail.wlug.org
> >To: <wlug@mail.wlug.org>
> >Subject: RE: [Wlug] Newbie to mailing list- Issue with the generation
> >of
> >graphsinredhat6.2
> >Date: Wed, 30 Oct 2002 13:40:55 -0500
> >
> >
> >So you're saying that you can use X on the machine, right? If so, I'd
> >look
> >other places for the problem.
> >
> >Double check that your DISPLAY is set properly and access is enabled.
> >This
> >was the exact same error message I used to get when java couldn't connect
> >to the xserver.
> >
> >I find doing something like this:
> >
> >nohup Xvfb :1 -screen 0 800x600x24 &
> >sleep 5
> >export DISPLAY=localhost:1
> >xhost +
> >SERVERCOMMAND <- (Whatever you need to do to start the server)
> >
> >Is best since it uses a virtual x server instead of the real one. This
> >works around your problem, but is probably the "correct" way to do it
> >anyways.
> >
> >
> >-Marc
> >
> >-----Original Message-----
> >From: Sudhaker P [mailto:perams27@hotmail.com]
> >Sent: Wednesday, October 30, 2002 1:23 PM
> >To: wlug@mail.wlug.org
> >Subject: RE: [Wlug] Newbie to mailing list- Issue with the generation
> >of
> >graphsinredhat6.2
> >
> >
> >Hi Marc,
> >The KDE for the server was not working for it so I fixed it, removing
> >all the rpms and re-installing them, I even reinstalled "gd".So I was
> >wondering if any other libraries related to X-server were broken too.
> >My output for $ps auwx | grep X is as below
> >root 14500 0.0 0.0 2220 980 tty1 S 09:44 0:00 /bin/sh
> >/usr/X11R6/bin/startx
> >root 14507 0.0 0.0 2344 668 tty1 S 09:44 0:00 xinit
> >/etc/X11/xinit/xinitrc --
> >root 14508 0.7 0.3 18156 7956 ? S< 09:44 1:07 /etc/X11/X
> >:0
> >
> >I'd appreciate your suggestions and comments in this regard.
> >
> >Thanks,
> >
> >Peram
> >
> >
> >
> >
> >
> >
> >
> > >From: "Marc Hughes" <HughesM@tomsnyder.com>
> > >Reply-To: wlug@mail.wlug.org
> > >To: <wlug@mail.wlug.org>
> > >Subject: RE: [Wlug] Newbie to mailing list- Issue with the generation
> > >of graphs inredhat6.2
> > >Date: Wed, 30 Oct 2002 10:55:29 -0500
> > >
> > >What do you mean when you say it seems broken? Are there other
> > >symptoms besides the java connection to it?
> > >
> > >Can you sit down at the machine and use X? If this is a server, you
> > >probably don't want that ability (that's where Xvfb comes in). What
> > >Xserver are you running?
> > >
> > >If you "ps aux |grep X" do you see an xserver running?
> > >
> > >-Marc
> > >
> > >-----Original Message-----
> > >From: Sudhaker P [mailto:perams27@hotmail.com]
> > >Sent: Wednesday, October 30, 2002 10:46 AM
> > >To: wlug@mail.wlug.org
> > >Subject: RE: [Wlug] Newbie to mailing list- Issue with the generation
> > >of graphs inredhat6.2
> > >
> > >
> > >Hi Marc,
> > >Thanks for the reply.
> > >I agree with you Marc, it is a servlet(I'm sorry about that) and its
> > >on the server. The display settings seems to be proper, but my X-
> > >server seems to be broken. I'd appreciate if you can guide me to any
> > >kind of information with the help of which I can fix the issue of
> > >broken X-windows.
> > >
> > >Thanks,
> > >
> > >Peram
> > >
> > >
> > >
> > >
> > >
> > >
> > > >From: "Marc Hughes" <HughesM@tomsnyder.com>
> > > >Reply-To: wlug@mail.wlug.org
> > > >To: <wlug@mail.wlug.org>
> > > >Subject: RE: [Wlug] Newbie to mailing list- Issue with the
> > > >generation of graphs inredhat 6.2
> > > >Date: Wed, 30 Oct 2002 09:16:11 -0500
> > > >
> > > >I'm guessing this is a server (the errors you showed before made it
> > > >look more like a servlet than an applet)... So are you running X?
> > > >If so, when you start the server do you set your DISPLAY variable
> > > >correctly? Does
> > >the
> > > >server process have access to the Xserver?
> > > >
> > > >If you're not running an Xserver, you need to. Weird, huh?
> > > >Without a running X-Server the JRE can't do most graphical
> > > >operations, even if
> > >those
> > > >operations never render to the display. It's a long standing issue
> > > >that
> > >a
> > > >whole lot of people have complained about. What you can do is run
> > > >Xvfb
> > >...
> > > >It's a non graphical X server. It just gives programs an Xserver
> > > >to play with, and never displays the results of those programs.
> > > >
> > > >
> > > >
> > > >
> > > >-Marc
> > > >
> > > >-----Original Message-----
> > > >From: Sudhaker P [mailto:perams27@hotmail.com]
> > > >Sent: Wednesday, October 30, 2002 9:08 AM
> > > >To: wlug@mail.wlug.org
> > > >Subject: Re: [Wlug] Newbie to mailing list- Issue with the
> > > >generation of graphs inredhat 6.2
> > > >
> > > >
> > > >Hi,
> > > >With reply to my previous mail I've figured out that Java "awt" is
> > > >looking for some parameters in X-windows. I think the X is broken.
> > > >I'd appreciate if any of you gurus can guide me with fixing of
> > > >X-windows.
> > > >
> > > >Thanks,
> > > >
> > > >Peram
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > >From: "Sudhaker P" <perams27@hotmail.com>
> > > > >Reply-To: wlug@mail.wlug.org
> > > > >To: wlug@mail.wlug.org
> > > > >Subject: Re: [Wlug] Newbie to mailing list- Issue with the
> > > > >generation of graphs in redhat 6.2
> > > > >Date: Tue, 29 Oct 2002 16:07:13 -0600
> > > > >
> > > > >Hi Karl,
> > > > >Thanks a lot for the response.
> > > > >I'm running it as an applet as in the below mentioned weblogic
> > > > >log java.lang.NoClassDefFoundError
> > > > > at java.lang.Class.forName0(Native Method)
> > > > > at java.lang.Class.forName(Class.java:120)
> > > > > at
> > > >
> > > >java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEn
> > > >vi
> > > >ronment.java:58)
> > > > > at java.awt.Window.<init>(Window.java:189)
> > > > > at java.awt.Frame.<init>(Frame.java:315)
> > > > > at java.awt.Frame.<init>(Frame.java:262)
> > > > > at com.rivenet.graphingaction.Graphit.runGraph2D(Unknown
> > >Source)
> > > > > at
> > > > >com.rivenet.reporting.InformalFundingComparisonGraph.makeGraph(Un
> > > > >kn
> > > > >ow
> > > > >n
> > > > >Source)
> > > > > at
> > > >
> > > >jsp_servlet._plan._Model_controller._jspService(_Model_controller.j
> > > >av
> > > >a:356)
> > > > > at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
> > > > > at
> > > >
> > > >weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStub
> > > >Im
> > > >pl.java:123)
> > > > > at
> > > >
> > > >weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletC
> > > >on
> > > >textImpl.java:761)
> > > > > at
> > > >
> > > >weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletC
> > > >on
> > > >textImpl.java:708)
> > > > > at
> > > >
> > > >weblogic.servlet.internal.ServletContextManager.invokeServlet(Servl
> > > >et
> > > >ContextManager.java:252)
> > > > > at
> > > >
> > > >weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.j
> > > >av
> > > >a:346)
> > > > > at
> > > >
> >weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:246)
> > > > > at
> > > > >weblogic.kernel.ExecuteThread.run(ExecuteThread.java:135)
> > > > >
> > > > >So I was wondering if "awt" since it needs X to generate graphs
> > > > >could be the reason and X might be broken.
> > > > >
> > > > >In your opinion if x is broken what could the rpms that I need to
> > > > >install. I'd appreciate your comments and suggestions.
> > > > >
> > > > >Thanks,
> > > > >
> > > > >Peram
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >>From: Karl Hiramoto <karl@zoop.org>
> > > > >>Reply-To: wlug@mail.wlug.org
> > > > >>To: wlug@mail.wlug.org
> > > > >>Subject: Re: [Wlug] Newbie to mailing list- Issue with the
> > > > >>generation of graphs in redhat 6.2
> > > > >>Date: Tue, 29 Oct 2002 14:43:56 -0500 (EST)
> > > > >>
> > > > >>
> > > > >>are you running it from the comand line? or an applet?
> > > > >>
> > > > >>Get any errors on your command line?
> > > > >>
> > > > >>
> > > > >>Did you try on the same machine booting 2.4.16 and 2.4.7 to
> > > > >>verify that it is the kernel?
> > > > >>
> > > > >>
> > > > >>
> > > > >>On Tue, 29 Oct 2002, Sudhaker P wrote:
> > > > >>
> > > > >> > Hi ,
> > > > >> > I've a program that generates graphs with Java 1.3.1_01. The
> > > > >> > same
> > > > >>program is
> > > > >> > able to generate graphs on a machine with RH 6.2 kernel
> > > > >> > 2.4.16 but it
> > > > >>fails
> > > > >> > to generate graphs on a machine with RH 6.2 kernel 2.4.7-10
> > > > >> > on which it
> > > > >>used
> > > > >> > to generate before. I've installed KDE and gd thinking that
> > > > >> > something
> > > > >>may
> > > > >> > broken in the OS on the jpegs generation part. But that
> > > > >> > doesn't seem to help. I'd appreciate if any of you gurus can
> > > > >> > guide me in this issue with your comments and suggestions.
> > > > >> >
> > > > >> > Thanks,
> > > > >> >
> > > > >> > Peram
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >> >
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