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Interesting thing to know... I've been running all of my servlets on
Solaris servers with lots of memory and never encountered any of these
issues. To me it has always been a simple thing to do..
Thanks for the education on how awt.* works on Linux.. I'll keep that in
mind if I'm ever doing a site for that OS.
-Greg
At 12:09 PM 10/18/00 -0700, Bill Volk 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!!!
>----------------------------------------------------------------
>
>Greg wrote:
>
> > OK. What on earth is this all about? It sounds like you're trying
> > to have a
> > servlet render graphics to send to a web page or program waiting for the
> > graphic? If this is what you are trying to do, then there's no
> > need for X.
> > X has nothing to do with it at all. Just use the graphics library
> > (awt.graphics???) to draw into a virtual object then gif encode it then
> > send the bytes to the response stream...
>
>Yes, but that doesn't work. Seems like the Java VM under Linux NEEDS X to
>do any rendering whatsoever. That's what the docs says.
>
> When no X11 Display is available on UNIX machines or when GDI resources
>are low
> on Windows, it is impossible to compute off-screen images with
> java.awt.Graphics methods, even if your program doesn't need to display
>these
> images. Typically, this situation happens for servlets returning
>dynamically
> generated images like pies, charts or web counters.
>
>You can't write to a frame without having X ... or some substitute running.
>Yep. That's the truth.
>
> > Other than that, I'm not sure what you're asking. Please be more clear
> > about the goal you are trying to accomplish, setting,
> > environment, and type
> > of application...
>
>We're compositing images on the server to display on the client's web page.
>Basically overlays etc...
>
>Bill Volk
>
>
>
>
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