R3 bundle backward compatibility

[GERODOLLE Anne RD-MAPS-GRE <an...@orange-ftgroup.com>]

Hi everybody,

The OSGi R4 specifications indicates very clearly that "Release 3
bundles must be treated according to the R3 specification". (OSGi
Service Platform Core Specification, section 3.11 "Bundle Validity") .

Thus, it seems to me that felix should support installing legacy R3
bundle without any specific configurations. Felix 1.0.0 does not.

This problem was already raised by Andre Bottaro some months ago, and I
am aware of the answers made on felix user list, but not completely
satisfied with the answers. I am ready to believe that "Some framework
implementations allowed automatic access to classes on the class path
and some didn't", but I am convinced that basic packages like
"org.osgi.framework" and "javax.swing" were always available.

Thanks in advance for considering ensuring backward compatibility in
felix,

Anne






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Re: R3 bundle backward compatibility

["Richard S. Hall" <he...@ungoverned.org>]

I am fairly certain that the spec clearly stated in previous releases 
that bundles only implicitly get "java.*" imported and must import 
everything else.

Thus, if you have an R3 bundle that does this, then it will install 
just fine on Felix. Any other bundle is essentially in error. Oscar was 
non-compliant in this regard.

If you really want this, just change boot delegation to "*"...I don't 
advise it. Otherwise, we are only talking about modifying the manifest 
and we have tools that will do this automatically for you.

The only other option is to debate the merits of an "R3 boot 
delegation" property if you feel normal boot delegation is too broad. 
However, I would argue it doesn't make sense to bloat the framework for 
erroneous bundles.

-> richard

On Aug 20, 2007, at 10:34 AM, GERODOLLE Anne RD-MAPS-GRE wrote:

> Hi everybody,
>
> The OSGi R4 specifications indicates very clearly that "Release 3
> bundles must be treated according to the R3 specification". (OSGi
> Service Platform Core Specification, section 3.11 "Bundle Validity") .
>
> Thus, it seems to me that felix should support installing legacy R3
> bundle without any specific configurations. Felix 1.0.0 does not.
>
> This problem was already raised by Andre Bottaro some months ago, and I
> am aware of the answers made on felix user list, but not completely
> satisfied with the answers. I am ready to believe that "Some framework
> implementations allowed automatic access to classes on the class path
> and some didn't", but I am convinced that basic packages like
> "org.osgi.framework" and "javax.swing" were always available.
>
> Thanks in advance for considering ensuring backward compatibility in
> felix,
>
> Anne
>
>
>
>
>
>
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> To unsubscribe, e-mail: users-unsubscribe@felix.apache.org
> For additional commands, e-mail: users-help@felix.apache.org
>


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