> In the JUMP launcher we can look at the SystemProperty > java.specification.version to make sure it is >= 1.5 if not > we display a > window that says you must have version 1.5 or greater and > maybe provide > a clickable link to the Java site. Unfortunately if we compile that > class with 1.5 they won't even get that far. A Java class file compiled with 1.5 should run with 1.4. All new construct of 1.5 are, AFAIK, only sintactic sugar. I dont't know about 1.3 or previous, but I don't know how many people are still using those, either...
Bye Paolo Rizzi > > > Paul > > > Larry Becker wrote: > > 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] > > <mailto:[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] > > <mailto:[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- > > > > > > > > > -------------------------------------------------------------- > ----------- > > > This SF.net email is sponsored by: Microsoft > > > Defy all challenges. Microsoft(R) Visual Studio 2005. > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > > _______________________________________________ > > > Jump-pilot-devel mailing list > > > Jump-pilot-devel@lists.sourceforge.net > > <mailto:Jump-pilot-devel@lists.sourceforge.net> > > > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > <https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel> > > > > > > > > -------------------------------------------------------------- > ----------- > > This SF.net email is sponsored by: Microsoft > > Defy all challenges. Microsoft(R) Visual Studio 2005. > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > _______________________________________________ > > Jump-pilot-devel mailing list > > Jump-pilot-devel@lists.sourceforge.net > > <mailto:Jump-pilot-devel@lists.sourceforge.net> > > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > > > > > > > > -- > > http://amusingprogrammer.blogspot.com/ > > > -------------------------------------------------------------- > ---------- > > > > > -------------------------------------------------------------- > ----------- > > This SF.net email is sponsored by: Microsoft > > Defy all challenges. Microsoft(R) Visual Studio 2005. > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > > > -------------------------------------------------------------- > ---------- > > > > _______________________________________________ > > Jump-pilot-devel mailing list > > Jump-pilot-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > > > -------------------------------------------------------------- > ----------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
