After looking over the literature, I don't see a cross-platform solution
that wouldn't add to the potential problem. I'm concerned that it might
incorrectly stop JUMP from running when it was actually possible, due to
variations in the platform and JVM.
If it makes it as far as displaying the splash screen before lockup, we
could simply add the text "Java version 1.5 or higher required" to the
splash screen. That way when it locks up, at least the user is looking at a
possible solution.
regards,
Larry
On 9/24/07, Sunburned Surveyor <[EMAIL PROTECTED]> wrote:
>
> Jukka,
>
> I have no idea how we might handle the JRE version in the batch script
> on Windows or Linux. Maybe Larry or Paul have suggestions?
>
> Maybe we need to add a switch statement to the batch script that uses
> the "java -version" command and prints an error message if the
> installed version isn't appropriate.
>
> If Larry and Paul can confirm I'll see if I can modify the launch
> scripts to do this.
>
> The Sunburned Surveyor
>
> On 9/23/07, Rahkonen Jukka <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > Could it be possible/simple to add some kind of Java version check
> during OpenJUMP startup? We have lots of Java Web Start applications, an
> with them the minimum (or even strict) Java version can be advertised in the
> .jnlp file. For the same reason our users may need several Java JRE
> versions installed, and sometimes it is hard to know which is the default
> one that is started by openjump.bat file. Users would be better off if
> they'd see message like "Java version 1.x or higher required" instead of
> nothing at all, all perhaps something as informative as "Unable to launch".
> >
> > -Jukka Rahkonen-
> >
> >
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