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Re: webmathematica linux installation problems

  • To: mathgroup at
  • Subject: [mg62553] Re: webmathematica linux installation problems
  • From: Dave <INVALID.See-signature-for-how-to-determine at>
  • Date: Sun, 27 Nov 2005 04:35:22 -0500 (EST)
  • References: <dmbqf7$q9a$>
  • Reply-to: Nov-2005 at
  • Sender: owner-wri-mathgroup at

Pradeep Suresh wrote:
> Hi all,
> First of all, let me thank aff of you who answered my earlier questions 
> on mathematica (however amateurish they seemed!).
> I have a problem with the webmathematica in linux. we managed to get it 
> installed and it works, but for some reason it just cannot show any 
> graphics genereated by mathematica! none of the plots i generate are 
> shown on the webmathematica page, they are simply replaced by "created 
> by webmathematica" banner with a red cross in the corner.the text 
> outputting is perfectly fine. rather puzzling! any ideas on how to fix 
> this? do i need to reinstall?
> plz help!
> thanks
> Pradeep

Do the sample pages run OK ?

I am 95% sure you will find the problem is related to the X server.

I have had similar (but not idential) problems running on a Sun. The 
Mathematica process must connect to an X server. If it does not, text 
based examples (eg. the Hello one, which shows the date) run OK, but 
anything that produces graphs, or formats output does not.

Try this - it is not a long term solution, but woth a try for a short period

1) Log onto the console as the user who runs the tomcat process.
2) xhost +localhost
3) Stay logged in on the console.
4) Try the example again.

Dave K

Please note my email address changes periodically to avoid spam.
It is always of the form: month-year@domain. Hitting reply will work
for a couple of months only. Later set it manually. The month is
always written in 3 letters (e.g. Jan, not January etc)

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