DPRG
DPRG List  



[DPRG] Problems running the CMUCam Java GUI App under Windows 2000

Subject: [DPRG] Problems running the CMUCam Java GUI App under Windows 2000
From: Michael Grundvig mike at electrotank.com
Date: Wed Nov 20 22:10:02 CST 2002

The install of a JVM alone will give you all the core libraries (along with
some others). When people use 3rd party libraries and code, if they don't
include them, you will have a problem. Just like missing a DLL in VC++.

Mike

----- Original Message -----
>From: "Earl Bollinger" <earlwbollinger at attbi.com>
To: <dprglist at dprg.org>
Sent: Wednesday, November 20, 2002 9:31 PM
Subject: RE: [DPRG] Problems running the CMUCam Java GUI App under Windows
2000


> Well, after going through installing and de-installing several Java
> versions.
> I was successful at getting a older version of their CMUCam Java App to
run
> using
> Symantec's 3.0c Java compiler system.
> I haven't gotten their more current CMUCam release going yet.
> But at least the camera works, although on my cam the lens is a little too
> loose for holding the focus when you manually adjust it. I'll have to put
a
> tiny dab of silicon grease or something on it to stiffen it up a little.
> Wow, 75mhz for the Scenix chip, almost makes me want to put a little heat
> sink on that sucker, it is running a little on the warm side.
>
> As for Java, I'm like the big boss at work, it always fails to work when
you
> go to show/demo him something.
>
> Anyway, Sun's 1.3 - 1.4 software looked like it was working. But some
class
> libs seemed to always be missing. I was surprised when it had a bunch of
> class errors running a simple Hello World app. It would work through MSIE
> though.
>
> The older version of the CMU Cam software had a Symantec Visual Cafe
> project, so I dug through my old pile of CD's until I found 3.0c and treid
> it and it liked it. But like usual it only runs from within the IDE
> project's VM window. It won't run by itself. But it does compile without
any
> errors though.
>
> It seems all the Java implementations don't tell you what all you need to
> setup as for paths, lib paths and such. The setup programs always seem to
> miss something.
>
>
> -----Original Message-----
> From: dprglist-admin at dprg.org [mailto:dprglist-admin at dprg.org]On Behalf
> Of Michael Grundvig
> Sent: Wednesday, November 20, 2002 7:20 AM
> To: dprglist at dprg.org
> Subject: Re: [DPRG] Problems running the CMUCam Java GUI App under
> Windows 2000
>
>
> Java runs just fine on all the platforms everyone listed in this thread.
I,
> unfortunately, develop in Java for a living. I don't have a CMUCam, but I
do
> have plenty of experience with Java error messages. If someone has a
problem
> running HelloWorld or any other Java app, send me an email or post it to
the
> list, and I can walk you through it. Java requires a few more steps then C
> and C++ in that classpath and environment variables might be required. As
> for 1.3.1 vs 1.4. Odds are it isn't an issue. I say this because the
> differences are pretty trivial with the exception of new classes available
> in 1.4. The original error someone posted looked to be related to JNI. In
> other words, the cam code is using C++ that's being called by Java. That's
> pretty flaky as the C++ can be platform dependant along with all the rest.
> Sadly, I know very little about JNI as I have never have to use it. Good
> luck!
>
> Mike
>
> P.S. Personal rant. Flame shield enabled. Java as a language is so popular
> and effective that Microsoft has emulated it for their own flagship
language
> in .NET (C#). In fact, the entire .NET environment runs in a similar VM
> configuration. I know a lot of people love C and C++ and they will be here
> for a long long time yet, but there is no doubt that Java has become very
> common if not a standard in enterprise software development. In fact, I
look
> forward to the day when more and more chips support Java instead of C.
Flame
> shield off ;)
>
>
> ----- Original Message -----
> From: "Earl Bollinger" <earlwbollinger at attbi.com>
> To: <dprglist at dprg.org>
> Sent: Tuesday, November 19, 2002 7:57 AM
> Subject: RE: [DPRG] Problems running the CMUCam Java GUI App under Windows
> 2000
>
>
> > It gets better and better, the JRE seems to work to some extent, in that
> > it'll run Applets,
> > and web java apps.
> > But the simple HelloWorldApp.Java program will compile OK (at least no
> error
> > messages), pukes
> > when you run it with a whole bunch of assorted error messages.
> >
> > I guess I'll have to try Windows ME on my laptop and see if it does any
> > better at this or not.
> >
> > I'll also try and find my copy of Symantec Visual Cafe, it is a pre ver
> 2.0
> > JRE so maybe it might work. But the last time I ran this, it could only
> run
> > apps while you were within the IDE, they couldn't be run standalone. The
> > previous release would build apps that were standalone (without needing
> the
> > IDE to run).
> >
> >
> >
> > -----Original Message-----
> > From: dprglist-admin at dprg.org [mailto:dprglist-admin at dprg.org]On Behalf
> > Of Earl Bollinger
> > Sent: Tuesday, November 19, 2002 6:36 AM
> > To: dprglist at dprg.org
> > Subject: RE: [DPRG] Problems running the CMUCam Java GUI App under
> > Windows 2000
> >
> >
> > Well I tried 1.3.1 JRE and now I get lots of error messages.
> > Pukes big time.
> >
> > Like usual I still have nothing good to say about Java.
> >
> >
> > -----Original Message-----
> > From: Dennis Draheim [mailto:dennis.draheim at attbi.com]
> > Sent: Monday, November 18, 2002 10:55 PM
> > To: Earl Bollinger; dprglist at dprg.org
> > Subject: Re: [DPRG] Problems running the CMUCam Java GUI App under
> > Windows 2000
> >
> >
> > Earl,
> >
> > I'm not sure you want the latest JRE from Sun.  I installed the version
> that
> > came on my CMUCam CD (1.3.1) and it works fine for me on Win2000.  Yours
> may
> > be more recent, though, as I got mine in January.  I'm not certain
whether
> > programs compiled for 1.x will run on Sun's current 2.x JRE.
> >
> > Dennis
> >
> > Subject: [DPRG] Problems running the CMUCam Java GUI App under Windows
> 2000
> >
> >
> > > Like usual, I can never get anything to run as a Java App on my
> machines.
> > > I have installed the latest SUN Java VM runtime on my PC a Windows
2000
> > > machine.
> > > But when I attempt to run the CMUCamGUI.JAVA app I get a error:
> > >    "An Error occurred while launching/running the application.
> > > Category: Launch File Error
> > > The following required field is missing from the launch file: <jnip>"
> > >
> > > Does anybody know what is missing or wrong?
> > > Thanks,
> > > Earl
> > >
> > >
> > > _______________________________________________
> > > DPRGlist mailing list
> > > DPRGlist at dprg.org
> > > http://nimon.ncc.com/mailman/listinfo/dprglist
> > >
> > >
> > > _______________________________________________
> > > DPRGlist mailing list
> > > DPRGlist at dprg.org
> > > http://nimon.ncc.com/mailman/listinfo/dprglist
> >
> >
> >
> > _______________________________________________
> > DPRGlist mailing list
> > DPRGlist at dprg.org
> > http://nimon.ncc.com/mailman/listinfo/dprglist
> >
> >
> > _______________________________________________
> > DPRGlist mailing list
> > DPRGlist at dprg.org
> > http://nimon.ncc.com/mailman/listinfo/dprglist
> >
> >
>
>
> _______________________________________________
> DPRGlist mailing list
> DPRGlist at dprg.org
> http://nimon.ncc.com/mailman/listinfo/dprglist
>
>
> _______________________________________________
> DPRGlist mailing list
> DPRGlist at dprg.org
> http://nimon.ncc.com/mailman/listinfo/dprglist
>



More information about the DPRG mailing list