[concurrency-interest] Why not J2SE 5?

Bjørn-Ove Heimsund bjornoh@mi.uib.no
Mon, 6 Dec 2004 14:22:21 +0100 (CET)

On Mon, 6 Dec 2004, Doug Lea wrote:

> I'm starting to wonder why there's so much resistance out there to
> changing from 1.x to J2SE5 (1.5). Having seen how obsessed the Sun
> J2SE5 release managers and engineers were with back-compatibility, and
> the huge numbers of regression tests run, and the very large number of
> bug-fixes and performance improvements in J2SE5, I honestly don't know
> of a good technical reason not to switch over to it, even (or
> especially?) if people don't need new functionality. I suppose some of
> it might be just be fear of any x.0 release (to be addressed soon, I
> think, with the first "underscore" release, "1.5_01" or somesuch
> name). And maybe it takes time to install/deploy new JVMs across all
> machines etc. But is there some more fundamental reason that I'm
> overlooking?

Two things come to mind:

 - 1.5 isn't available at other platforms than those Sun support

 - Development tools still lag behind, but that's primarily an issue if 
   you want to use the new features

Bjørn-Ove Heimsund
Centre for Integrated Petroleum Research
University of Bergen, Norway

(+47) 555 83691