Re: [users@httpd] Calls to a Java program from a CGI script (via Apache)

[Jonathan Manning <bm...@bmb.leeds.ac.uk>]

Ahh thanks a lot- I'm using 1.4.2 I think, and that works great! Problem
solved!

Jon

On Wed, 2004-07-07 at 00:25, Robert F. Hall wrote:
> Jon,
> 
> You didn't mention which version of Java you are using, but provided 
> it's 1.4.1 or
> newer you can get around this problem by adding 
> "-Djava.awt.headless=true" to
> your java command.  Much better than messing with xvfb.
> 
> HTH,
> Robert
> 
> Jonathan Manning wrote:
> 
> >Hello to all,
> >
> >I'm attempting to run a Java program via a Perl CGI script system call.
> >While I've got the script running fine from the command line; I have
> >problems running from apache, the following message appearing in the
> >Apache error log: 
> >
> >java.lang.InternalError: Can't connect to X11 window server using 
> >':0.0' as the value of the DISPLAY variable 
> >
> >I've attempted setting the environment variable from the script prior to
> >the call to the java program like: 
> >
> >system ("export DISPLAY=<my IP>:0.0");
> >
> >and similar solutions like:
> >
> >system ("xhost +localhost");
> >system ("export DISPLAY=localhost"); 
> >
> >With no success. From lots of googling it seems that installing xvfb
> >might or might not help- is that a good idea? 
> >
> >I'm working with Fedora Core 1 and Apache 2.0. 
> >
> >Any help appreciated! 
> >
> >Thanks, 
> >
> >Jon 
> >
> >
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