Re: [wtp-releng] 2.0M3 now must run under JDK5

[David M Williams <david_williams@xxxxxxxxxx>]

I think Eclipse Help mentions it, and
hopefully that's all the info you'd need. 

I believe you should (only) use the
PDE editor to add this characteristic to your project, and, presumably,
it will take care 
of the build.properties, class path,
and other tweaks. 

Plus, there are some wiki pages, e.g.

http://wiki.eclipse.org/index.php/Execution_Environments

that may cover some complicated cases
(e.g you want to specify "Foundation" 
classes, but be able to use XML parsing
if its available). 

HTH

Cameron Bateman <cameron.bateman@xxxxxxxxxx>
Sent by: wtp-releng-bounces@xxxxxxxxxxx

11/29/2006 02:20 PM

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Subject	Re: [wtp-releng] 2.0M3 now must run under JDK5

Does anyone have any doc links for this manifest option.
 Also for the 
extended options on require-bundle?

--Cam

David M Williams wrote:

> Yes, sorry if that was not announced well enough, but when we moved
to 
> EMF M3, that nailed the runtime environment to Java 5.
>
> This has always been our planned runtime for WTP 2.0. But ... if 
> that's an issue, better speak up quick!
>
> And, recall, this doesn't mean all plugins can "willy nilly"
use Java 
> 5 features. In general, each individual
> plugin should specify its Execution Environment to the least possible
> runtime and only increase it if there's a
> good reason to. (Similar to the principle that no plugin should add
a 
> "requires bundle" unless there is a good reason to).
>
> I'll be writing up some guidelines this week for further technical
> information and policies for discussion.
>
> If any questions, please ask.
>
> Thanks for asking this one!
>
> P.S. technically our build environment is only set up for Java 1.4
and 
> Java 5 right now, but we can go lower later,
> if anyone has some plugin they think might be (re)used in a more 
> constrained environment.
> (such as a mobile device, or light client).
>
> P.S.S. Our JUnit tests are currently using Java 5 for all the tests,
> but eventually we'll make that
> more specific to be what the tests really require (some only require
> 1.4).
>
>
>
>
>
>
> *Cameron Bateman <cameron.bateman@xxxxxxxxxx>*
> Sent by: wtp-releng-bounces@xxxxxxxxxxx
>
> 11/28/2006 06:51 PM
> Please respond to
> Webtools releng discussion list <wtp-releng@xxxxxxxxxxx>
>
>
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>                  [wtp-releng]
2.0M3 now must run under JDK5
>
>
>
>                  
>
>
>
>
>
> Sorry if this was announced and I just missed it, but is it the case
> that 2.0M3 and forward must be run under JDK1.5?  When I try
to run
> under 1.4 I get the following in core EMF plugins:
>
> Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5
>
> Which causes its bundles not to load and that cascades across pretty
> much all WTP dependencies.
>
>
> --Cam
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